./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 28084432560c47da1ffc5f98cfcaa5be6cb055f18fa0164e17cef2e3b92cbd47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:44:29,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:44:29,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 23:44:29,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:44:29,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:44:29,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:44:29,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:44:29,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:44:29,436 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:44:29,436 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:44:29,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:44:29,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:44:29,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:44:29,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:44:29,437 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:44:29,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:44:29,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:44:29,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:44:29,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:44:29,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:44:29,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:44:29,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:44:29,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:44:29,439 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:44:29,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:44:29,440 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:44:29,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:44:29,440 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:44:29,440 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:44:29,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:44:29,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:44:29,440 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:44:29,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:44:29,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:44:29,442 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:44:29,442 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:44:29,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:44:29,442 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_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28084432560c47da1ffc5f98cfcaa5be6cb055f18fa0164e17cef2e3b92cbd47 [2024-11-23 23:44:29,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:44:29,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:44:29,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:44:29,815 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:44:29,815 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:44:29,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-23 23:44:33,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/data/523ddda84/209128b881524d7fbd926bb0d8696f42/FLAG4c98bfb07 [2024-11-23 23:44:34,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:44:34,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-23 23:44:34,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/data/523ddda84/209128b881524d7fbd926bb0d8696f42/FLAG4c98bfb07 [2024-11-23 23:44:34,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/data/523ddda84/209128b881524d7fbd926bb0d8696f42 [2024-11-23 23:44:34,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:44:34,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:44:34,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:44:34,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:44:34,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:44:34,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:44:34" (1/1) ... [2024-11-23 23:44:34,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390559c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:34, skipping insertion in model container [2024-11-23 23:44:34,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:44:34" (1/1) ... [2024-11-23 23:44:34,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:44:40,570 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2024-11-23 23:44:40,575 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2024-11-23 23:44:40,576 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2024-11-23 23:44:40,576 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2024-11-23 23:44:40,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:44:40,670 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:44:40,888 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"); [6262] [2024-11-23 23:44:40,891 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)); [6269] [2024-11-23 23:44:40,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6276] [2024-11-23 23:44:40,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [6292] [2024-11-23 23:44:40,900 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6352-6353] [2024-11-23 23:44:40,904 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"); [6358-6360] [2024-11-23 23:44:40,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6387] [2024-11-23 23:44:40,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6394] [2024-11-23 23:44:40,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6450] [2024-11-23 23:44:40,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6453] [2024-11-23 23:44:40,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6456] [2024-11-23 23:44:40,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6459] [2024-11-23 23:44:40,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6553] [2024-11-23 23:44:40,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6561] [2024-11-23 23:44:40,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6568] [2024-11-23 23:44:40,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6575] [2024-11-23 23:44:40,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/mm.h"), "i" (488), "i" (12UL)); [6651-6652] [2024-11-23 23:44:40,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1,%0\n adcl $0xffff,%0": "=r" (sum): "r" (sum << 16), "0" (sum & 4294901760U)); [6681] [2024-11-23 23:44:40,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ (" addl %1, %0\n adcl %2, %0\n adcl %3, %0\n adcl $0, %0\n": "=r" (sum): "g" (daddr), "g" (saddr), "g" (((int )len + (int )proto) << 8), "0" (sum)); [6689-6690] [2024-11-23 23:44:40,927 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)); [6765-6766] [2024-11-23 23:44:40,930 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)); [6799-6800] [2024-11-23 23:44:40,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [6840-6841] [2024-11-23 23:44:40,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [6869-6870] [2024-11-23 23:44:40,950 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)); [7347-7348] [2024-11-23 23:44:40,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2024-11-23 23:44:41,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10425] [2024-11-23 23:44:41,399 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2024-11-23 23:44:41,399 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2024-11-23 23:44:41,404 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2024-11-23 23:44:41,405 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_2f520bac-4460-46cb-ba37-98271cee7f3e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2024-11-23 23:44:41,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:44:41,901 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:44:41,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41 WrapperNode [2024-11-23 23:44:41,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:44:41,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:44:41,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:44:41,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:44:41,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:42,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:42,447 INFO L138 Inliner]: procedures = 678, calls = 4062, calls flagged for inlining = 360, calls inlined = 334, statements flattened = 11759 [2024-11-23 23:44:42,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:44:42,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:44:42,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:44:42,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:44:42,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:42,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:42,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,256 INFO L175 MemorySlicer]: Split 1998 memory accesses to 24 slices as follows [8, 4, 2, 70, 1600, 10, 1, 15, 60, 2, 2, 6, 107, 27, 14, 4, 6, 7, 2, 1, 2, 1, 40, 7]. 80 percent of accesses are in the largest equivalence class. The 80 initializations are split as follows [0, 0, 0, 0, 11, 0, 1, 0, 60, 2, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 782 writes are split as follows [5, 4, 0, 60, 578, 5, 0, 7, 0, 0, 1, 0, 101, 2, 7, 0, 4, 1, 1, 1, 1, 0, 0, 4]. [2024-11-23 23:44:46,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,257 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:44:46,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:44:46,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:44:46,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:44:46,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (1/1) ... [2024-11-23 23:44:46,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:44:46,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:44:46,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:44:46,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:44:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2024-11-23 23:44:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2024-11-23 23:44:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-23 23:44:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-23 23:44:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2024-11-23 23:44:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2024-11-23 23:44:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2024-11-23 23:44:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2024-11-23 23:44:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2024-11-23 23:44:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2024-11-23 23:44:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2024-11-23 23:44:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-23 23:44:46,979 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-11-23 23:44:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-11-23 23:44:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 23:44:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-23 23:44:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-23 23:44:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2024-11-23 23:44:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2024-11-23 23:44:46,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2024-11-23 23:44:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2024-11-23 23:44:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-23 23:44:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-23 23:44:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2024-11-23 23:44:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2024-11-23 23:44:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-23 23:44:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-23 23:44:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2024-11-23 23:44:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2024-11-23 23:44:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-23 23:44:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-23 23:44:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-23 23:44:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-23 23:44:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-23 23:44:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-23 23:44:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-23 23:44:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-23 23:44:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-23 23:44:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-23 23:44:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-23 23:44:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-23 23:44:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-23 23:44:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-23 23:44:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-23 23:44:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-23 23:44:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2024-11-23 23:44:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2024-11-23 23:44:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2024-11-23 23:44:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2024-11-23 23:44:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2024-11-23 23:44:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2024-11-23 23:44:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 23:44:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 23:44:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-23 23:44:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2024-11-23 23:44:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 23:44:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-23 23:44:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-23 23:44:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:44:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:44:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:44:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:44:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:44:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:44:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:44:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:44:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:44:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:44:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:44:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-23 23:44:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:44:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-23 23:44:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-23 23:44:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-23 23:44:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-23 23:44:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-11-23 23:44:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-23 23:44:47,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-23 23:44:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-23 23:44:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-23 23:44:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-23 23:44:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-23 23:44:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-23 23:44:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-23 23:44:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2024-11-23 23:44:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2024-11-23 23:44:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 23:44:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-23 23:44:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 23:44:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:44:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-11-23 23:44:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 23:44:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-23 23:44:47,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 23:44:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2024-11-23 23:44:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-11-23 23:44:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 23:44:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2024-11-23 23:44:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-23 23:44:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2024-11-23 23:44:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2024-11-23 23:44:47,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2024-11-23 23:44:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2024-11-23 23:44:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2024-11-23 23:44:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-23 23:44:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-23 23:44:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-11-23 23:44:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-11-23 23:44:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-23 23:44:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-23 23:44:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2024-11-23 23:44:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2024-11-23 23:44:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-23 23:44:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-23 23:44:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2024-11-23 23:44:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2024-11-23 23:44:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2024-11-23 23:44:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2024-11-23 23:44:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2024-11-23 23:44:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-23 23:44:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-11-23 23:44:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-23 23:44:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-23 23:44:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-23 23:44:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 23:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 23:44:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-23 23:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-11-23 23:44:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 23:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-23 23:44:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-11-23 23:44:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-11-23 23:44:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-23 23:44:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-11-23 23:44:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2024-11-23 23:44:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2024-11-23 23:44:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-23 23:44:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-23 23:44:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-23 23:44:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-23 23:44:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2024-11-23 23:44:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2024-11-23 23:44:47,020 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2024-11-23 23:44:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-23 23:44:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-11-23 23:44:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-11-23 23:44:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2024-11-23 23:44:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2024-11-23 23:44:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-23 23:44:47,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 23:44:47,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-23 23:44:47,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 23:44:47,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-23 23:44:47,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-23 23:44:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-23 23:44:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-23 23:44:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-23 23:44:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2024-11-23 23:44:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2024-11-23 23:44:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-11-23 23:44:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-11-23 23:44:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2024-11-23 23:44:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2024-11-23 23:44:47,028 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-11-23 23:44:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-23 23:44:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-11-23 23:44:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2024-11-23 23:44:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2024-11-23 23:44:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-23 23:44:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 23:44:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2024-11-23 23:44:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-11-23 23:44:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2024-11-23 23:44:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 23:44:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-23 23:44:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-23 23:44:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-23 23:44:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-23 23:44:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-23 23:44:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-23 23:44:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2024-11-23 23:44:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2024-11-23 23:44:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-11-23 23:44:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-11-23 23:44:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2024-11-23 23:44:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2024-11-23 23:44:47,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2024-11-23 23:44:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2024-11-23 23:44:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2024-11-23 23:44:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2024-11-23 23:44:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2024-11-23 23:44:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2024-11-23 23:44:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-23 23:44:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-23 23:44:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-23 23:44:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-23 23:44:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-11-23 23:44:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2024-11-23 23:44:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:44:47,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 23:44:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2024-11-23 23:44:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-23 23:44:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-23 23:44:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2024-11-23 23:44:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-23 23:44:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2024-11-23 23:44:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2024-11-23 23:44:47,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2024-11-23 23:44:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:44:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:44:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:44:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 23:44:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 23:44:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 23:44:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 23:44:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 23:44:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-23 23:44:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-23 23:44:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-23 23:44:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-23 23:44:49,170 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:44:49,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:45:12,469 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 23:45:29,228 INFO L? ?]: Removed 5414 outVars from TransFormulas that were not future-live. [2024-11-23 23:45:29,228 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:45:29,334 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:45:29,335 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:45:29,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:29 BoogieIcfgContainer [2024-11-23 23:45:29,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:45:29,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:45:29,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:45:29,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:45:29,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:44:34" (1/3) ... [2024-11-23 23:45:29,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b4b42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:29, skipping insertion in model container [2024-11-23 23:45:29,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:44:41" (2/3) ... [2024-11-23 23:45:29,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b4b42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:45:29, skipping insertion in model container [2024-11-23 23:45:29,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:45:29" (3/3) ... [2024-11-23 23:45:29,356 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-11-23 23:45:29,378 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:45:29,382 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i that has 210 procedures, 5002 locations, 1 initial locations, 72 loop locations, and 4 error locations. [2024-11-23 23:45:29,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:45:29,628 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;@4f480e35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:45:29,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-23 23:45:29,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 4794 states, 3501 states have (on average 1.3301913738931734) internal successors, (4657), 3556 states have internal predecessors, (4657), 1126 states have call successors, (1126), 163 states have call predecessors, (1126), 162 states have return successors, (1119), 1110 states have call predecessors, (1119), 1119 states have call successors, (1119) [2024-11-23 23:45:29,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-23 23:45:29,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:29,666 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-23 23:45:29,667 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 2 more)] === [2024-11-23 23:45:29,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:29,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1640720890, now seen corresponding path program 1 times [2024-11-23 23:45:29,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:29,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143776481] [2024-11-23 23:45:29,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:29,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:45:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:45:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 23:45:46,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:45:46,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143776481] [2024-11-23 23:45:46,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143776481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:45:46,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:45:46,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:45:46,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85936909] [2024-11-23 23:45:46,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:45:46,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:45:46,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:45:46,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:45:46,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:45:46,838 INFO L87 Difference]: Start difference. First operand has 4794 states, 3501 states have (on average 1.3301913738931734) internal successors, (4657), 3556 states have internal predecessors, (4657), 1126 states have call successors, (1126), 163 states have call predecessors, (1126), 162 states have return successors, (1119), 1110 states have call predecessors, (1119), 1119 states have call successors, (1119) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:45:47,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:45:47,983 INFO L93 Difference]: Finished difference Result 9560 states and 13987 transitions. [2024-11-23 23:45:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:45:47,986 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-23 23:45:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:45:48,073 INFO L225 Difference]: With dead ends: 9560 [2024-11-23 23:45:48,073 INFO L226 Difference]: Without dead ends: 4778 [2024-11-23 23:45:48,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:45:48,123 INFO L435 NwaCegarLoop]: 6784 mSDtfsCounter, 6771 mSDsluCounter, 13551 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6772 SdHoareTripleChecker+Valid, 20335 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:45:48,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6772 Valid, 20335 Invalid, 25 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:45:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2024-11-23 23:45:48,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4778. [2024-11-23 23:45:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 3493 states have (on average 1.2983109075293444) internal successors, (4535), 3544 states have internal predecessors, (4535), 1119 states have call successors, (1119), 163 states have call predecessors, (1119), 162 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:45:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 6770 transitions. [2024-11-23 23:45:49,094 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 6770 transitions. Word has length 48 [2024-11-23 23:45:49,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:45:49,099 INFO L471 AbstractCegarLoop]: Abstraction has 4778 states and 6770 transitions. [2024-11-23 23:45:49,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-23 23:45:49,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 6770 transitions. [2024-11-23 23:45:49,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-23 23:45:49,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:45:49,103 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-23 23:45:49,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:45:49,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:45:49,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:45:49,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1625194122, now seen corresponding path program 1 times [2024-11-23 23:45:49,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:45:49,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666500624] [2024-11-23 23:45:49,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:45:49,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-23 23:46:06,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:06,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666500624] [2024-11-23 23:46:06,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666500624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:46:06,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:46:06,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:46:06,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473864658] [2024-11-23 23:46:06,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:46:06,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:46:06,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:06,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:46:06,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:46:06,482 INFO L87 Difference]: Start difference. First operand 4778 states and 6770 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:46:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:07,262 INFO L93 Difference]: Finished difference Result 4784 states and 6775 transitions. [2024-11-23 23:46:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:46:07,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-23 23:46:07,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:07,297 INFO L225 Difference]: With dead ends: 4784 [2024-11-23 23:46:07,298 INFO L226 Difference]: Without dead ends: 4782 [2024-11-23 23:46:07,302 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 [2024-11-23 23:46:07,303 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6747 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6748 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:07,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6748 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:46:07,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2024-11-23 23:46:07,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4782. [2024-11-23 23:46:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4782 states, 3496 states have (on average 1.2980549199084668) internal successors, (4538), 3547 states have internal predecessors, (4538), 1119 states have call successors, (1119), 164 states have call predecessors, (1119), 163 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:46:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 6773 transitions. [2024-11-23 23:46:07,782 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 6773 transitions. Word has length 53 [2024-11-23 23:46:07,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:07,783 INFO L471 AbstractCegarLoop]: Abstraction has 4782 states and 6773 transitions. [2024-11-23 23:46:07,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-23 23:46:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 6773 transitions. [2024-11-23 23:46:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-23 23:46:07,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:07,788 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2024-11-23 23:46:07,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:46:07,789 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:46:07,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1521995578, now seen corresponding path program 1 times [2024-11-23 23:46:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:07,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346487636] [2024-11-23 23:46:07,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-23 23:46:24,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:24,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346487636] [2024-11-23 23:46:24,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346487636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:46:24,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:46:24,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:46:24,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430322868] [2024-11-23 23:46:24,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:46:24,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:46:24,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:24,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:46:24,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:46:24,075 INFO L87 Difference]: Start difference. First operand 4782 states and 6773 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:46:24,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:24,886 INFO L93 Difference]: Finished difference Result 4788 states and 6778 transitions. [2024-11-23 23:46:24,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:46:24,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2024-11-23 23:46:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:24,932 INFO L225 Difference]: With dead ends: 4788 [2024-11-23 23:46:24,933 INFO L226 Difference]: Without dead ends: 4786 [2024-11-23 23:46:24,937 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 [2024-11-23 23:46:24,939 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6746 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6747 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:24,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6747 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:46:24,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2024-11-23 23:46:25,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4786. [2024-11-23 23:46:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4786 states, 3499 states have (on average 1.2977993712489282) internal successors, (4541), 3550 states have internal predecessors, (4541), 1119 states have call successors, (1119), 165 states have call predecessors, (1119), 164 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:46:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6776 transitions. [2024-11-23 23:46:25,316 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6776 transitions. Word has length 58 [2024-11-23 23:46:25,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:25,318 INFO L471 AbstractCegarLoop]: Abstraction has 4786 states and 6776 transitions. [2024-11-23 23:46:25,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-23 23:46:25,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6776 transitions. [2024-11-23 23:46:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-23 23:46:25,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:25,324 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2024-11-23 23:46:25,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:46:25,325 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:46:25,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:25,325 INFO L85 PathProgramCache]: Analyzing trace with hash 547132342, now seen corresponding path program 1 times [2024-11-23 23:46:25,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:25,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172753496] [2024-11-23 23:46:25,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:25,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-23 23:46:39,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:39,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172753496] [2024-11-23 23:46:39,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172753496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:46:39,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:46:39,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:46:39,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638496840] [2024-11-23 23:46:39,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:46:39,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:46:39,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:39,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:46:39,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:46:39,510 INFO L87 Difference]: Start difference. First operand 4786 states and 6776 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:46:40,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:40,285 INFO L93 Difference]: Finished difference Result 4792 states and 6781 transitions. [2024-11-23 23:46:40,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:46:40,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2024-11-23 23:46:40,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:40,321 INFO L225 Difference]: With dead ends: 4792 [2024-11-23 23:46:40,321 INFO L226 Difference]: Without dead ends: 4790 [2024-11-23 23:46:40,325 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 [2024-11-23 23:46:40,327 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6745 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6746 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:40,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6746 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:46:40,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4790 states. [2024-11-23 23:46:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4790 to 4790. [2024-11-23 23:46:40,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4790 states, 3502 states have (on average 1.2975442604226157) internal successors, (4544), 3553 states have internal predecessors, (4544), 1119 states have call successors, (1119), 166 states have call predecessors, (1119), 165 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:46:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 6779 transitions. [2024-11-23 23:46:40,704 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 6779 transitions. Word has length 63 [2024-11-23 23:46:40,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:40,705 INFO L471 AbstractCegarLoop]: Abstraction has 4790 states and 6779 transitions. [2024-11-23 23:46:40,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-23 23:46:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 6779 transitions. [2024-11-23 23:46:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 23:46:40,708 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:40,708 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2024-11-23 23:46:40,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:46:40,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:46:40,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1295494022, now seen corresponding path program 1 times [2024-11-23 23:46:40,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:40,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468189181] [2024-11-23 23:46:40,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:40,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:46:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:46:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-23 23:46:55,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:46:55,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468189181] [2024-11-23 23:46:55,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468189181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:46:55,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:46:55,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:46:55,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777873047] [2024-11-23 23:46:55,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:46:55,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:46:55,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:46:55,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:46:55,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:46:55,019 INFO L87 Difference]: Start difference. First operand 4790 states and 6779 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 23:46:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:46:55,752 INFO L93 Difference]: Finished difference Result 4796 states and 6784 transitions. [2024-11-23 23:46:55,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:46:55,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2024-11-23 23:46:55,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:46:55,792 INFO L225 Difference]: With dead ends: 4796 [2024-11-23 23:46:55,792 INFO L226 Difference]: Without dead ends: 4794 [2024-11-23 23:46:55,797 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 [2024-11-23 23:46:55,799 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6744 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6745 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:46:55,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6745 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:46:55,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4794 states. [2024-11-23 23:46:56,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4794 to 4794. [2024-11-23 23:46:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 3505 states have (on average 1.2972895863052782) internal successors, (4547), 3556 states have internal predecessors, (4547), 1119 states have call successors, (1119), 167 states have call predecessors, (1119), 166 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:46:56,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6782 transitions. [2024-11-23 23:46:56,156 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6782 transitions. Word has length 68 [2024-11-23 23:46:56,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:46:56,157 INFO L471 AbstractCegarLoop]: Abstraction has 4794 states and 6782 transitions. [2024-11-23 23:46:56,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-23 23:46:56,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6782 transitions. [2024-11-23 23:46:56,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-23 23:46:56,159 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:46:56,160 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2024-11-23 23:46:56,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:46:56,160 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 2 more)] === [2024-11-23 23:46:56,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:46:56,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1266186762, now seen corresponding path program 1 times [2024-11-23 23:46:56,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:46:56,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259851370] [2024-11-23 23:46:56,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:46:56,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-23 23:47:10,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:10,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259851370] [2024-11-23 23:47:10,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259851370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:10,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:10,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:10,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649714093] [2024-11-23 23:47:10,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:10,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:10,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:10,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:10,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:10,787 INFO L87 Difference]: Start difference. First operand 4794 states and 6782 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:47:11,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:11,561 INFO L93 Difference]: Finished difference Result 4800 states and 6787 transitions. [2024-11-23 23:47:11,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:47:11,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2024-11-23 23:47:11,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:11,623 INFO L225 Difference]: With dead ends: 4800 [2024-11-23 23:47:11,626 INFO L226 Difference]: Without dead ends: 4798 [2024-11-23 23:47:11,631 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 [2024-11-23 23:47:11,633 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6743 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6744 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:11,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6744 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:47:11,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2024-11-23 23:47:11,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 4798. [2024-11-23 23:47:12,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4798 states, 3508 states have (on average 1.2970353477765109) internal successors, (4550), 3559 states have internal predecessors, (4550), 1119 states have call successors, (1119), 168 states have call predecessors, (1119), 167 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:47:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 6785 transitions. [2024-11-23 23:47:12,031 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 6785 transitions. Word has length 73 [2024-11-23 23:47:12,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:12,031 INFO L471 AbstractCegarLoop]: Abstraction has 4798 states and 6785 transitions. [2024-11-23 23:47:12,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 23:47:12,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 6785 transitions. [2024-11-23 23:47:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-23 23:47:12,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:12,034 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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] [2024-11-23 23:47:12,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:47:12,035 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 2 more)] === [2024-11-23 23:47:12,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:12,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1666513338, now seen corresponding path program 1 times [2024-11-23 23:47:12,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:12,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752976702] [2024-11-23 23:47:12,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:12,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-23 23:47:27,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:27,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752976702] [2024-11-23 23:47:27,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752976702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:27,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:27,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:27,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939060703] [2024-11-23 23:47:27,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:27,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:27,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:27,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:27,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:27,274 INFO L87 Difference]: Start difference. First operand 4798 states and 6785 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 23:47:28,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:28,059 INFO L93 Difference]: Finished difference Result 4804 states and 6790 transitions. [2024-11-23 23:47:28,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:47:28,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2024-11-23 23:47:28,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:28,100 INFO L225 Difference]: With dead ends: 4804 [2024-11-23 23:47:28,101 INFO L226 Difference]: Without dead ends: 4802 [2024-11-23 23:47:28,105 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 [2024-11-23 23:47:28,108 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6742 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6743 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:28,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:47:28,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4802 states. [2024-11-23 23:47:28,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4802. [2024-11-23 23:47:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4802 states, 3511 states have (on average 1.2967815437197379) internal successors, (4553), 3562 states have internal predecessors, (4553), 1119 states have call successors, (1119), 169 states have call predecessors, (1119), 168 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:47:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4802 states to 4802 states and 6788 transitions. [2024-11-23 23:47:28,570 INFO L78 Accepts]: Start accepts. Automaton has 4802 states and 6788 transitions. Word has length 78 [2024-11-23 23:47:28,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:28,570 INFO L471 AbstractCegarLoop]: Abstraction has 4802 states and 6788 transitions. [2024-11-23 23:47:28,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-23 23:47:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4802 states and 6788 transitions. [2024-11-23 23:47:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 23:47:28,576 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:28,576 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:28,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:47:28,577 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 2 more)] === [2024-11-23 23:47:28,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:28,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1909123413, now seen corresponding path program 1 times [2024-11-23 23:47:28,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:28,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31130262] [2024-11-23 23:47:28,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:28,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:41,718 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-23 23:47:41,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:41,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31130262] [2024-11-23 23:47:41,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31130262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:41,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:41,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:41,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192486863] [2024-11-23 23:47:41,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:41,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:41,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:41,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:41,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:41,720 INFO L87 Difference]: Start difference. First operand 4802 states and 6788 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:47:42,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:42,401 INFO L93 Difference]: Finished difference Result 4808 states and 6793 transitions. [2024-11-23 23:47:42,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:47:42,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2024-11-23 23:47:42,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:42,432 INFO L225 Difference]: With dead ends: 4808 [2024-11-23 23:47:42,432 INFO L226 Difference]: Without dead ends: 4806 [2024-11-23 23:47:42,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:47:42,437 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6731 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6732 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:42,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6732 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:47:42,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2024-11-23 23:47:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4806. [2024-11-23 23:47:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4806 states, 3514 states have (on average 1.296528173022197) internal successors, (4556), 3565 states have internal predecessors, (4556), 1119 states have call successors, (1119), 170 states have call predecessors, (1119), 169 states have return successors, (1116), 1107 states have call predecessors, (1116), 1116 states have call successors, (1116) [2024-11-23 23:47:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 6791 transitions. [2024-11-23 23:47:42,916 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 6791 transitions. Word has length 96 [2024-11-23 23:47:42,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:42,917 INFO L471 AbstractCegarLoop]: Abstraction has 4806 states and 6791 transitions. [2024-11-23 23:47:42,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:47:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 6791 transitions. [2024-11-23 23:47:42,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-23 23:47:42,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:42,920 INFO L218 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 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] [2024-11-23 23:47:42,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:47:42,920 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 2 more)] === [2024-11-23 23:47:42,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:42,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1749696774, now seen corresponding path program 1 times [2024-11-23 23:47:42,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:42,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608468249] [2024-11-23 23:47:42,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:47:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:47:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-23 23:47:58,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:47:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608468249] [2024-11-23 23:47:58,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608468249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:47:58,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:47:58,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:47:58,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724723400] [2024-11-23 23:47:58,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:47:58,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:47:58,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:47:58,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:47:58,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:47:58,071 INFO L87 Difference]: Start difference. First operand 4806 states and 6791 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:47:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:47:58,936 INFO L93 Difference]: Finished difference Result 5109 states and 7199 transitions. [2024-11-23 23:47:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:47:58,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2024-11-23 23:47:58,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:47:58,969 INFO L225 Difference]: With dead ends: 5109 [2024-11-23 23:47:58,970 INFO L226 Difference]: Without dead ends: 5107 [2024-11-23 23:47:58,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:47:58,976 INFO L435 NwaCegarLoop]: 7037 mSDtfsCounter, 6646 mSDsluCounter, 14541 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6647 SdHoareTripleChecker+Valid, 21578 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:47:58,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6647 Valid, 21578 Invalid, 40 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:47:58,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5107 states. [2024-11-23 23:47:59,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5107 to 5105. [2024-11-23 23:47:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5105 states, 3763 states have (on average 1.301355301621047) internal successors, (4897), 3815 states have internal predecessors, (4897), 1151 states have call successors, (1151), 188 states have call predecessors, (1151), 187 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:47:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 7196 transitions. [2024-11-23 23:47:59,523 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 7196 transitions. Word has length 88 [2024-11-23 23:47:59,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:47:59,524 INFO L471 AbstractCegarLoop]: Abstraction has 5105 states and 7196 transitions. [2024-11-23 23:47:59,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-23 23:47:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 7196 transitions. [2024-11-23 23:47:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-23 23:47:59,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:47:59,528 INFO L218 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:47:59,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:47:59,528 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 2 more)] === [2024-11-23 23:47:59,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:47:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash -358090069, now seen corresponding path program 1 times [2024-11-23 23:47:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:47:59,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711118025] [2024-11-23 23:47:59,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:47:59,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:15,172 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-23 23:48:15,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:15,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711118025] [2024-11-23 23:48:15,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711118025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:15,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:48:15,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:48:15,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183959604] [2024-11-23 23:48:15,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:15,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:48:15,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:15,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:48:15,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:48:15,174 INFO L87 Difference]: Start difference. First operand 5105 states and 7196 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:48:15,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:15,937 INFO L93 Difference]: Finished difference Result 5111 states and 7201 transitions. [2024-11-23 23:48:15,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:48:15,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2024-11-23 23:48:15,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:15,969 INFO L225 Difference]: With dead ends: 5111 [2024-11-23 23:48:15,969 INFO L226 Difference]: Without dead ends: 5109 [2024-11-23 23:48:15,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:48:15,975 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6729 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6730 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:15,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6730 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:48:15,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2024-11-23 23:48:16,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 5109. [2024-11-23 23:48:16,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5109 states, 3766 states have (on average 1.3011152416356877) internal successors, (4900), 3818 states have internal predecessors, (4900), 1151 states have call successors, (1151), 189 states have call predecessors, (1151), 188 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:48:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 7199 transitions. [2024-11-23 23:48:16,565 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 7199 transitions. Word has length 106 [2024-11-23 23:48:16,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:16,566 INFO L471 AbstractCegarLoop]: Abstraction has 5109 states and 7199 transitions. [2024-11-23 23:48:16,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-23 23:48:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 7199 transitions. [2024-11-23 23:48:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-23 23:48:16,572 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:16,572 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:16,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:48:16,573 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 2 more)] === [2024-11-23 23:48:16,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:16,573 INFO L85 PathProgramCache]: Analyzing trace with hash 682528037, now seen corresponding path program 1 times [2024-11-23 23:48:16,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:16,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337306732] [2024-11-23 23:48:16,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:16,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-23 23:48:30,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:30,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337306732] [2024-11-23 23:48:30,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337306732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:30,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:48:30,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:48:30,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804790955] [2024-11-23 23:48:30,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:30,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:48:30,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:30,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:48:30,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:48:30,941 INFO L87 Difference]: Start difference. First operand 5109 states and 7199 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:48:31,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:31,775 INFO L93 Difference]: Finished difference Result 5115 states and 7204 transitions. [2024-11-23 23:48:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:48:31,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2024-11-23 23:48:31,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:31,808 INFO L225 Difference]: With dead ends: 5115 [2024-11-23 23:48:31,809 INFO L226 Difference]: Without dead ends: 5113 [2024-11-23 23:48:31,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:48:31,814 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6728 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6729 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:31,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6729 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:48:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2024-11-23 23:48:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5113. [2024-11-23 23:48:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5113 states, 3769 states have (on average 1.3008755638100291) internal successors, (4903), 3821 states have internal predecessors, (4903), 1151 states have call successors, (1151), 190 states have call predecessors, (1151), 189 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:48:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 7202 transitions. [2024-11-23 23:48:32,363 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 7202 transitions. Word has length 111 [2024-11-23 23:48:32,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:32,364 INFO L471 AbstractCegarLoop]: Abstraction has 5113 states and 7202 transitions. [2024-11-23 23:48:32,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-23 23:48:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 7202 transitions. [2024-11-23 23:48:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-23 23:48:32,371 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:32,371 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:32,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:48:32,372 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 2 more)] === [2024-11-23 23:48:32,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:32,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1304457557, now seen corresponding path program 1 times [2024-11-23 23:48:32,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:32,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578948583] [2024-11-23 23:48:32,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:32,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:48:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-11-23 23:48:45,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:48:45,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578948583] [2024-11-23 23:48:45,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578948583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:48:45,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:48:45,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:48:45,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780492264] [2024-11-23 23:48:45,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:48:45,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:48:45,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:48:45,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:48:45,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:48:45,193 INFO L87 Difference]: Start difference. First operand 5113 states and 7202 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:48:45,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:48:45,826 INFO L93 Difference]: Finished difference Result 5119 states and 7207 transitions. [2024-11-23 23:48:45,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:48:45,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-23 23:48:45,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:48:45,851 INFO L225 Difference]: With dead ends: 5119 [2024-11-23 23:48:45,852 INFO L226 Difference]: Without dead ends: 5117 [2024-11-23 23:48:45,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:48:45,856 INFO L435 NwaCegarLoop]: 6767 mSDtfsCounter, 6727 mSDsluCounter, 13512 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6728 SdHoareTripleChecker+Valid, 20279 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:48:45,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6728 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:48:45,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2024-11-23 23:48:46,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5117. [2024-11-23 23:48:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5117 states, 3772 states have (on average 1.3006362672322376) internal successors, (4906), 3824 states have internal predecessors, (4906), 1151 states have call successors, (1151), 191 states have call predecessors, (1151), 190 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:48:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 5117 states and 7205 transitions. [2024-11-23 23:48:46,371 INFO L78 Accepts]: Start accepts. Automaton has 5117 states and 7205 transitions. Word has length 116 [2024-11-23 23:48:46,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:48:46,372 INFO L471 AbstractCegarLoop]: Abstraction has 5117 states and 7205 transitions. [2024-11-23 23:48:46,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:48:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 7205 transitions. [2024-11-23 23:48:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:48:46,375 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:48:46,376 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:48:46,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:48:46,377 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:48:46,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:48:46,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1284861853, now seen corresponding path program 1 times [2024-11-23 23:48:46,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:48:46,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505835631] [2024-11-23 23:48:46,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:48:46,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:48:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-11-23 23:49:00,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:00,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505835631] [2024-11-23 23:49:00,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505835631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:00,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:00,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:49:00,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581402637] [2024-11-23 23:49:00,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:00,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:49:00,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:00,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:49:00,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:49:00,707 INFO L87 Difference]: Start difference. First operand 5117 states and 7205 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:49:01,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:01,429 INFO L93 Difference]: Finished difference Result 5119 states and 7206 transitions. [2024-11-23 23:49:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:49:01,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2024-11-23 23:49:01,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:01,452 INFO L225 Difference]: With dead ends: 5119 [2024-11-23 23:49:01,452 INFO L226 Difference]: Without dead ends: 5117 [2024-11-23 23:49:01,454 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 [2024-11-23 23:49:01,455 INFO L435 NwaCegarLoop]: 7032 mSDtfsCounter, 6634 mSDsluCounter, 14550 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6635 SdHoareTripleChecker+Valid, 21582 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:01,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6635 Valid, 21582 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:49:01,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2024-11-23 23:49:01,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5115. [2024-11-23 23:49:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3771 states have (on average 1.3004508088040307) internal successors, (4904), 3822 states have internal predecessors, (4904), 1151 states have call successors, (1151), 191 states have call predecessors, (1151), 190 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:49:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7203 transitions. [2024-11-23 23:49:01,917 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7203 transitions. Word has length 131 [2024-11-23 23:49:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:01,920 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7203 transitions. [2024-11-23 23:49:01,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-23 23:49:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7203 transitions. [2024-11-23 23:49:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-23 23:49:01,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:01,923 INFO L218 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:01,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:49:01,924 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:49:01,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:01,925 INFO L85 PathProgramCache]: Analyzing trace with hash 861120890, now seen corresponding path program 1 times [2024-11-23 23:49:01,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:01,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536632592] [2024-11-23 23:49:01,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:01,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-23 23:49:14,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:14,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536632592] [2024-11-23 23:49:14,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536632592] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:14,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:14,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:49:14,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507186749] [2024-11-23 23:49:14,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:14,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:49:14,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:14,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:49:14,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:49:14,940 INFO L87 Difference]: Start difference. First operand 5115 states and 7203 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:49:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:15,529 INFO L93 Difference]: Finished difference Result 5121 states and 7208 transitions. [2024-11-23 23:49:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:49:15,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 108 [2024-11-23 23:49:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:15,559 INFO L225 Difference]: With dead ends: 5121 [2024-11-23 23:49:15,559 INFO L226 Difference]: Without dead ends: 5119 [2024-11-23 23:49:15,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:49:15,564 INFO L435 NwaCegarLoop]: 6765 mSDtfsCounter, 6734 mSDsluCounter, 13508 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6735 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:15,565 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6735 Valid, 20273 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:49:15,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2024-11-23 23:49:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 5119. [2024-11-23 23:49:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 3774 states have (on average 1.3002119766825648) internal successors, (4907), 3825 states have internal predecessors, (4907), 1151 states have call successors, (1151), 192 states have call predecessors, (1151), 191 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:49:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7206 transitions. [2024-11-23 23:49:16,101 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7206 transitions. Word has length 108 [2024-11-23 23:49:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:16,102 INFO L471 AbstractCegarLoop]: Abstraction has 5119 states and 7206 transitions. [2024-11-23 23:49:16,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:49:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7206 transitions. [2024-11-23 23:49:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-23 23:49:16,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:16,106 INFO L218 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:16,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 23:49:16,107 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:49:16,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:16,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2099260757, now seen corresponding path program 1 times [2024-11-23 23:49:16,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:16,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154318211] [2024-11-23 23:49:16,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:16,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-23 23:49:28,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:28,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154318211] [2024-11-23 23:49:28,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154318211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:28,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:28,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:49:28,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330327684] [2024-11-23 23:49:28,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:28,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:49:28,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:28,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:49:28,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:49:28,939 INFO L87 Difference]: Start difference. First operand 5119 states and 7206 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-23 23:49:29,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:29,456 INFO L93 Difference]: Finished difference Result 5125 states and 7211 transitions. [2024-11-23 23:49:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:49:29,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2024-11-23 23:49:29,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:29,477 INFO L225 Difference]: With dead ends: 5125 [2024-11-23 23:49:29,477 INFO L226 Difference]: Without dead ends: 5123 [2024-11-23 23:49:29,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:49:29,481 INFO L435 NwaCegarLoop]: 6765 mSDtfsCounter, 6723 mSDsluCounter, 13508 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6724 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:29,482 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6724 Valid, 20273 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:49:29,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-23 23:49:29,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 5123. [2024-11-23 23:49:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5123 states, 3777 states have (on average 1.2999735239608154) internal successors, (4910), 3828 states have internal predecessors, (4910), 1151 states have call successors, (1151), 193 states have call predecessors, (1151), 192 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:49:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 5123 states and 7209 transitions. [2024-11-23 23:49:29,944 INFO L78 Accepts]: Start accepts. Automaton has 5123 states and 7209 transitions. Word has length 126 [2024-11-23 23:49:29,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:29,945 INFO L471 AbstractCegarLoop]: Abstraction has 5123 states and 7209 transitions. [2024-11-23 23:49:29,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-23 23:49:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5123 states and 7209 transitions. [2024-11-23 23:49:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-23 23:49:29,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:29,948 INFO L218 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:29,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:49:29,948 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:49:29,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:29,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1307438043, now seen corresponding path program 1 times [2024-11-23 23:49:29,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:29,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054120713] [2024-11-23 23:49:29,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:29,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-11-23 23:49:42,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:42,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054120713] [2024-11-23 23:49:42,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054120713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:42,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:42,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:49:42,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413685079] [2024-11-23 23:49:42,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:42,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:49:42,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:42,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:49:42,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:49:42,881 INFO L87 Difference]: Start difference. First operand 5123 states and 7209 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:49:43,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:43,407 INFO L93 Difference]: Finished difference Result 5129 states and 7214 transitions. [2024-11-23 23:49:43,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:49:43,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2024-11-23 23:49:43,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:43,430 INFO L225 Difference]: With dead ends: 5129 [2024-11-23 23:49:43,431 INFO L226 Difference]: Without dead ends: 5125 [2024-11-23 23:49:43,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:49:43,436 INFO L435 NwaCegarLoop]: 6765 mSDtfsCounter, 6722 mSDsluCounter, 13508 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6723 SdHoareTripleChecker+Valid, 20273 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:43,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6723 Valid, 20273 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:49:43,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2024-11-23 23:49:43,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 5125. [2024-11-23 23:49:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5125 states, 3779 states have (on average 1.2995501455411484) internal successors, (4911), 3829 states have internal predecessors, (4911), 1151 states have call successors, (1151), 194 states have call predecessors, (1151), 192 states have return successors, (1148), 1139 states have call predecessors, (1148), 1148 states have call successors, (1148) [2024-11-23 23:49:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 5125 states and 7210 transitions. [2024-11-23 23:49:43,937 INFO L78 Accepts]: Start accepts. Automaton has 5125 states and 7210 transitions. Word has length 131 [2024-11-23 23:49:43,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:43,937 INFO L471 AbstractCegarLoop]: Abstraction has 5125 states and 7210 transitions. [2024-11-23 23:49:43,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-23 23:49:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 5125 states and 7210 transitions. [2024-11-23 23:49:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-23 23:49:43,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:43,941 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:43,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:49:43,941 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-23 23:49:43,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:43,943 INFO L85 PathProgramCache]: Analyzing trace with hash -311638357, now seen corresponding path program 1 times [2024-11-23 23:49:43,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:43,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263565258] [2024-11-23 23:49:43,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:49:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:49:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-23 23:49:56,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:49:56,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263565258] [2024-11-23 23:49:56,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263565258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:49:56,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:49:56,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:49:56,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665628499] [2024-11-23 23:49:56,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:49:56,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:49:56,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:49:56,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:49:56,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:49:56,276 INFO L87 Difference]: Start difference. First operand 5125 states and 7210 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-23 23:49:57,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:49:57,294 INFO L93 Difference]: Finished difference Result 10222 states and 14381 transitions. [2024-11-23 23:49:57,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:49:57,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 136 [2024-11-23 23:49:57,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:49:57,350 INFO L225 Difference]: With dead ends: 10222 [2024-11-23 23:49:57,350 INFO L226 Difference]: Without dead ends: 10122 [2024-11-23 23:49:57,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:49:57,359 INFO L435 NwaCegarLoop]: 7334 mSDtfsCounter, 6716 mSDsluCounter, 21354 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6716 SdHoareTripleChecker+Valid, 28688 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:49:57,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6716 Valid, 28688 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:49:57,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10122 states. [2024-11-23 23:49:58,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10122 to 10117. [2024-11-23 23:49:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10117 states, 7474 states have (on average 1.3022477923468023) internal successors, (9733), 7574 states have internal predecessors, (9733), 2272 states have call successors, (2272), 371 states have call predecessors, (2272), 368 states have return successors, (2268), 2246 states have call predecessors, (2268), 2268 states have call successors, (2268) [2024-11-23 23:49:58,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10117 states to 10117 states and 14273 transitions. [2024-11-23 23:49:58,543 INFO L78 Accepts]: Start accepts. Automaton has 10117 states and 14273 transitions. Word has length 136 [2024-11-23 23:49:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:49:58,543 INFO L471 AbstractCegarLoop]: Abstraction has 10117 states and 14273 transitions. [2024-11-23 23:49:58,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-11-23 23:49:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 10117 states and 14273 transitions. [2024-11-23 23:49:58,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-23 23:49:58,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:49:58,552 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:49:58,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:49:58,552 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 2 more)] === [2024-11-23 23:49:58,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:49:58,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1437417450, now seen corresponding path program 1 times [2024-11-23 23:49:58,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:49:58,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801448492] [2024-11-23 23:49:58,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:49:58,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:12,475 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-23 23:50:12,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:12,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801448492] [2024-11-23 23:50:12,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801448492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:12,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:12,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:12,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531160780] [2024-11-23 23:50:12,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:12,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:12,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:12,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:12,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:12,479 INFO L87 Difference]: Start difference. First operand 10117 states and 14273 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-23 23:50:13,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:13,301 INFO L93 Difference]: Finished difference Result 20287 states and 28936 transitions. [2024-11-23 23:50:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:13,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 219 [2024-11-23 23:50:13,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:13,371 INFO L225 Difference]: With dead ends: 20287 [2024-11-23 23:50:13,371 INFO L226 Difference]: Without dead ends: 10189 [2024-11-23 23:50:13,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:13,432 INFO L435 NwaCegarLoop]: 6762 mSDtfsCounter, 15 mSDsluCounter, 6760 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 13522 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:13,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 13522 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:50:13,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10189 states. [2024-11-23 23:50:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10189 to 10121. [2024-11-23 23:50:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10121 states, 7478 states have (on average 1.3020861192832307) internal successors, (9737), 7578 states have internal predecessors, (9737), 2272 states have call successors, (2272), 371 states have call predecessors, (2272), 368 states have return successors, (2268), 2246 states have call predecessors, (2268), 2268 states have call successors, (2268) [2024-11-23 23:50:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10121 states to 10121 states and 14277 transitions. [2024-11-23 23:50:14,642 INFO L78 Accepts]: Start accepts. Automaton has 10121 states and 14277 transitions. Word has length 219 [2024-11-23 23:50:14,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:14,643 INFO L471 AbstractCegarLoop]: Abstraction has 10121 states and 14277 transitions. [2024-11-23 23:50:14,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-23 23:50:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 10121 states and 14277 transitions. [2024-11-23 23:50:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-23 23:50:14,653 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:14,653 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:14,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:50:14,656 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 2 more)] === [2024-11-23 23:50:14,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:14,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2112643620, now seen corresponding path program 1 times [2024-11-23 23:50:14,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:14,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446139094] [2024-11-23 23:50:14,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:14,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-23 23:50:28,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:28,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446139094] [2024-11-23 23:50:28,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446139094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:28,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:28,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:50:28,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589315421] [2024-11-23 23:50:28,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:28,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:50:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:28,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:50:28,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:50:28,089 INFO L87 Difference]: Start difference. First operand 10121 states and 14277 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-23 23:50:28,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:28,775 INFO L93 Difference]: Finished difference Result 20227 states and 28752 transitions. [2024-11-23 23:50:28,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:50:28,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 233 [2024-11-23 23:50:28,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:28,827 INFO L225 Difference]: With dead ends: 20227 [2024-11-23 23:50:28,827 INFO L226 Difference]: Without dead ends: 10125 [2024-11-23 23:50:28,867 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 [2024-11-23 23:50:28,868 INFO L435 NwaCegarLoop]: 6764 mSDtfsCounter, 0 mSDsluCounter, 6760 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13524 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:28,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13524 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:50:28,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10125 states. [2024-11-23 23:50:29,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10125 to 10125. [2024-11-23 23:50:29,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10125 states, 7482 states have (on average 1.301924619085806) internal successors, (9741), 7582 states have internal predecessors, (9741), 2272 states have call successors, (2272), 371 states have call predecessors, (2272), 368 states have return successors, (2268), 2246 states have call predecessors, (2268), 2268 states have call successors, (2268) [2024-11-23 23:50:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10125 states to 10125 states and 14281 transitions. [2024-11-23 23:50:29,863 INFO L78 Accepts]: Start accepts. Automaton has 10125 states and 14281 transitions. Word has length 233 [2024-11-23 23:50:29,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:29,863 INFO L471 AbstractCegarLoop]: Abstraction has 10125 states and 14281 transitions. [2024-11-23 23:50:29,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-23 23:50:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 10125 states and 14281 transitions. [2024-11-23 23:50:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-23 23:50:29,871 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:29,872 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:29,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 23:50:29,872 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 2 more)] === [2024-11-23 23:50:29,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:29,872 INFO L85 PathProgramCache]: Analyzing trace with hash 376885342, now seen corresponding path program 1 times [2024-11-23 23:50:29,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:29,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35181286] [2024-11-23 23:50:29,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:29,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:50:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:50:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-23 23:50:43,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:50:43,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35181286] [2024-11-23 23:50:43,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35181286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:50:43,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:50:43,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:50:43,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194709215] [2024-11-23 23:50:43,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:50:43,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:50:43,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:50:43,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:50:43,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:50:43,735 INFO L87 Difference]: Start difference. First operand 10125 states and 14281 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-23 23:50:47,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:50:49,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:50:49,155 INFO L93 Difference]: Finished difference Result 10127 states and 14282 transitions. [2024-11-23 23:50:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:50:49,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 233 [2024-11-23 23:50:49,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:50:49,198 INFO L225 Difference]: With dead ends: 10127 [2024-11-23 23:50:49,199 INFO L226 Difference]: Without dead ends: 9802 [2024-11-23 23:50:49,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:50:49,206 INFO L435 NwaCegarLoop]: 6892 mSDtfsCounter, 486 mSDsluCounter, 20446 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 27338 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:50:49,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 27338 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-23 23:50:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2024-11-23 23:50:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 9802. [2024-11-23 23:50:50,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9802 states, 7240 states have (on average 1.3009668508287293) internal successors, (9419), 7328 states have internal predecessors, (9419), 2194 states have call successors, (2194), 368 states have call predecessors, (2194), 365 states have return successors, (2191), 2174 states have call predecessors, (2191), 2191 states have call successors, (2191) [2024-11-23 23:50:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9802 states to 9802 states and 13804 transitions. [2024-11-23 23:50:50,232 INFO L78 Accepts]: Start accepts. Automaton has 9802 states and 13804 transitions. Word has length 233 [2024-11-23 23:50:50,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:50:50,232 INFO L471 AbstractCegarLoop]: Abstraction has 9802 states and 13804 transitions. [2024-11-23 23:50:50,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-23 23:50:50,233 INFO L276 IsEmpty]: Start isEmpty. Operand 9802 states and 13804 transitions. [2024-11-23 23:50:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1240 [2024-11-23 23:50:50,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:50:50,308 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:50:50,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 23:50:50,309 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:50:50,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:50:50,310 INFO L85 PathProgramCache]: Analyzing trace with hash 199015331, now seen corresponding path program 1 times [2024-11-23 23:50:50,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:50:50,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995848929] [2024-11-23 23:50:50,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:50:50,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-23 23:51:04,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:04,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995848929] [2024-11-23 23:51:04,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995848929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:04,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:04,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:04,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506048138] [2024-11-23 23:51:04,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:04,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:04,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:04,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:04,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:04,240 INFO L87 Difference]: Start difference. First operand 9802 states and 13804 transitions. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-23 23:51:04,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:04,889 INFO L93 Difference]: Finished difference Result 19583 states and 27578 transitions. [2024-11-23 23:51:04,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:04,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1239 [2024-11-23 23:51:04,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:04,950 INFO L225 Difference]: With dead ends: 19583 [2024-11-23 23:51:04,950 INFO L226 Difference]: Without dead ends: 9798 [2024-11-23 23:51:04,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:04,985 INFO L435 NwaCegarLoop]: 6755 mSDtfsCounter, 0 mSDsluCounter, 13506 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20261 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:04,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20261 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:51:04,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9798 states. [2024-11-23 23:51:05,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9798 to 9798. [2024-11-23 23:51:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9798 states, 7238 states have (on average 1.3007736943907158) internal successors, (9415), 7326 states have internal predecessors, (9415), 2192 states have call successors, (2192), 368 states have call predecessors, (2192), 365 states have return successors, (2189), 2172 states have call predecessors, (2189), 2189 states have call successors, (2189) [2024-11-23 23:51:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9798 states to 9798 states and 13796 transitions. [2024-11-23 23:51:05,912 INFO L78 Accepts]: Start accepts. Automaton has 9798 states and 13796 transitions. Word has length 1239 [2024-11-23 23:51:05,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:05,913 INFO L471 AbstractCegarLoop]: Abstraction has 9798 states and 13796 transitions. [2024-11-23 23:51:05,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-23 23:51:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand 9798 states and 13796 transitions. [2024-11-23 23:51:05,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1248 [2024-11-23 23:51:05,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:05,944 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:05,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 23:51:05,945 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:51:05,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:05,946 INFO L85 PathProgramCache]: Analyzing trace with hash -644888745, now seen corresponding path program 1 times [2024-11-23 23:51:05,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:05,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147541784] [2024-11-23 23:51:05,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:05,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-23 23:51:21,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:21,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147541784] [2024-11-23 23:51:21,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147541784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:21,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:21,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:51:21,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852210070] [2024-11-23 23:51:21,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:21,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:51:21,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:21,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:51:21,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:21,164 INFO L87 Difference]: Start difference. First operand 9798 states and 13796 transitions. Second operand has 4 states, 4 states have (on average 104.75) internal successors, (419), 4 states have internal predecessors, (419), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-23 23:51:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:21,828 INFO L93 Difference]: Finished difference Result 19575 states and 27562 transitions. [2024-11-23 23:51:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:51:21,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 104.75) internal successors, (419), 4 states have internal predecessors, (419), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1247 [2024-11-23 23:51:21,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:21,893 INFO L225 Difference]: With dead ends: 19575 [2024-11-23 23:51:21,893 INFO L226 Difference]: Without dead ends: 9794 [2024-11-23 23:51:21,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:51:21,932 INFO L435 NwaCegarLoop]: 6751 mSDtfsCounter, 0 mSDsluCounter, 13499 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20250 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:21,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20250 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:51:21,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9794 states. [2024-11-23 23:51:22,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9794 to 9794. [2024-11-23 23:51:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9794 states, 7236 states have (on average 1.300580431177446) internal successors, (9411), 7324 states have internal predecessors, (9411), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-23 23:51:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13788 transitions. [2024-11-23 23:51:22,716 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13788 transitions. Word has length 1247 [2024-11-23 23:51:22,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:22,717 INFO L471 AbstractCegarLoop]: Abstraction has 9794 states and 13788 transitions. [2024-11-23 23:51:22,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 104.75) internal successors, (419), 4 states have internal predecessors, (419), 2 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2024-11-23 23:51:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13788 transitions. [2024-11-23 23:51:22,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-11-23 23:51:22,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:22,749 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:22,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 23:51:22,749 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:51:22,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:22,751 INFO L85 PathProgramCache]: Analyzing trace with hash -718661999, now seen corresponding path program 1 times [2024-11-23 23:51:22,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:22,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301175819] [2024-11-23 23:51:22,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:22,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-23 23:51:37,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:37,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301175819] [2024-11-23 23:51:37,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301175819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:37,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:37,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:51:37,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681225462] [2024-11-23 23:51:37,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:37,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:37,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:37,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:37,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:37,619 INFO L87 Difference]: Start difference. First operand 9794 states and 13788 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-23 23:51:38,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:38,465 INFO L93 Difference]: Finished difference Result 19573 states and 27587 transitions. [2024-11-23 23:51:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:38,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 1281 [2024-11-23 23:51:38,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:38,512 INFO L225 Difference]: With dead ends: 19573 [2024-11-23 23:51:38,512 INFO L226 Difference]: Without dead ends: 9796 [2024-11-23 23:51:38,542 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 [2024-11-23 23:51:38,543 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 0 mSDsluCounter, 6746 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13498 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:38,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13498 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:51:38,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9796 states. [2024-11-23 23:51:39,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9796 to 9796. [2024-11-23 23:51:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9796 states, 7238 states have (on average 1.30049737496546) internal successors, (9413), 7326 states have internal predecessors, (9413), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-23 23:51:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9796 states to 9796 states and 13790 transitions. [2024-11-23 23:51:39,409 INFO L78 Accepts]: Start accepts. Automaton has 9796 states and 13790 transitions. Word has length 1281 [2024-11-23 23:51:39,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:39,411 INFO L471 AbstractCegarLoop]: Abstraction has 9796 states and 13790 transitions. [2024-11-23 23:51:39,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-23 23:51:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 9796 states and 13790 transitions. [2024-11-23 23:51:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-11-23 23:51:39,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:39,446 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:39,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 23:51:39,447 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:51:39,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:39,448 INFO L85 PathProgramCache]: Analyzing trace with hash 860391887, now seen corresponding path program 1 times [2024-11-23 23:51:39,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:39,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958445259] [2024-11-23 23:51:39,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:39,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:51:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:51:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-11-23 23:51:54,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:51:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958445259] [2024-11-23 23:51:54,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958445259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:51:54,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:51:54,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:51:54,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685938348] [2024-11-23 23:51:54,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:51:54,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:51:54,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:51:54,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:51:54,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:51:54,382 INFO L87 Difference]: Start difference. First operand 9796 states and 13790 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-23 23:51:54,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:51:54,969 INFO L93 Difference]: Finished difference Result 19577 states and 27591 transitions. [2024-11-23 23:51:54,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:51:54,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 1281 [2024-11-23 23:51:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:51:55,024 INFO L225 Difference]: With dead ends: 19577 [2024-11-23 23:51:55,024 INFO L226 Difference]: Without dead ends: 9798 [2024-11-23 23:51:55,059 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 [2024-11-23 23:51:55,059 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 0 mSDsluCounter, 6748 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:51:55,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:51:55,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9798 states. [2024-11-23 23:51:55,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9798 to 9798. [2024-11-23 23:51:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9798 states, 7240 states have (on average 1.300414364640884) internal successors, (9415), 7328 states have internal predecessors, (9415), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-23 23:51:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9798 states to 9798 states and 13792 transitions. [2024-11-23 23:51:55,860 INFO L78 Accepts]: Start accepts. Automaton has 9798 states and 13792 transitions. Word has length 1281 [2024-11-23 23:51:55,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:51:55,861 INFO L471 AbstractCegarLoop]: Abstraction has 9798 states and 13792 transitions. [2024-11-23 23:51:55,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 2 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2024-11-23 23:51:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 9798 states and 13792 transitions. [2024-11-23 23:51:55,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-11-23 23:51:55,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:51:55,981 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 23, 23, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:51:55,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 23:51:55,981 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:51:55,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:51:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1425760736, now seen corresponding path program 1 times [2024-11-23 23:51:55,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:51:55,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702752048] [2024-11-23 23:51:55,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:51:55,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:52:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:52:11,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3973 trivial. 0 not checked. [2024-11-23 23:52:11,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:52:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702752048] [2024-11-23 23:52:11,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702752048] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:52:11,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871228283] [2024-11-23 23:52:11,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:52:11,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:52:11,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:52:11,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:52:11,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:52:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:52:30,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 10399 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:52:30,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:52:30,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 1203 proven. 0 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2024-11-23 23:52:30,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:52:30,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871228283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:52:30,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:52:30,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-23 23:52:30,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802060191] [2024-11-23 23:52:30,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:52:30,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:52:30,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:52:30,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:52:30,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:52:30,564 INFO L87 Difference]: Start difference. First operand 9798 states and 13792 transitions. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 2 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2024-11-23 23:52:31,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:52:31,157 INFO L93 Difference]: Finished difference Result 19617 states and 27721 transitions. [2024-11-23 23:52:31,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:52:31,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 2 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) Word has length 1281 [2024-11-23 23:52:31,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:52:31,199 INFO L225 Difference]: With dead ends: 19617 [2024-11-23 23:52:31,199 INFO L226 Difference]: Without dead ends: 9836 [2024-11-23 23:52:31,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1283 GetRequests, 1281 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:52:31,225 INFO L435 NwaCegarLoop]: 6751 mSDtfsCounter, 16 mSDsluCounter, 6749 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:52:31,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 13500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:52:31,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9836 states. [2024-11-23 23:52:31,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9836 to 9800. [2024-11-23 23:52:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9800 states, 7242 states have (on average 1.3003314001657) internal successors, (9417), 7330 states have internal predecessors, (9417), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-23 23:52:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9800 states to 9800 states and 13794 transitions. [2024-11-23 23:52:32,025 INFO L78 Accepts]: Start accepts. Automaton has 9800 states and 13794 transitions. Word has length 1281 [2024-11-23 23:52:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:52:32,026 INFO L471 AbstractCegarLoop]: Abstraction has 9800 states and 13794 transitions. [2024-11-23 23:52:32,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 2 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2024-11-23 23:52:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 9800 states and 13794 transitions. [2024-11-23 23:52:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2024-11-23 23:52:32,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:52:32,055 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:52:32,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:52:32,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f520bac-4460-46cb-ba37-98271cee7f3e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:52:32,255 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:52:32,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:52:32,256 INFO L85 PathProgramCache]: Analyzing trace with hash -107434002, now seen corresponding path program 1 times [2024-11-23 23:52:32,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:52:32,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780981190] [2024-11-23 23:52:32,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:52:32,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:52:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:52:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4462 trivial. 0 not checked. [2024-11-23 23:52:47,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:52:47,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780981190] [2024-11-23 23:52:47,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780981190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:52:47,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:52:47,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:52:47,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172365702] [2024-11-23 23:52:47,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:52:47,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:52:47,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:52:47,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:52:47,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:52:47,076 INFO L87 Difference]: Start difference. First operand 9800 states and 13794 transitions. Second operand has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (128), 2 states have call predecessors, (128), 2 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) [2024-11-23 23:52:47,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:52:47,729 INFO L93 Difference]: Finished difference Result 19587 states and 27727 transitions. [2024-11-23 23:52:47,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:52:47,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (128), 2 states have call predecessors, (128), 2 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) Word has length 1323 [2024-11-23 23:52:47,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:52:47,773 INFO L225 Difference]: With dead ends: 19587 [2024-11-23 23:52:47,773 INFO L226 Difference]: Without dead ends: 9804 [2024-11-23 23:52:47,800 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 [2024-11-23 23:52:47,800 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 0 mSDsluCounter, 6748 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:52:47,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:52:47,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9804 states. [2024-11-23 23:52:48,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9804 to 9804. [2024-11-23 23:52:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9804 states, 7246 states have (on average 1.3001656086116478) internal successors, (9421), 7334 states have internal predecessors, (9421), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 365 states have return successors, (2187), 2170 states have call predecessors, (2187), 2187 states have call successors, (2187) [2024-11-23 23:52:48,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 13798 transitions. [2024-11-23 23:52:48,652 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 13798 transitions. Word has length 1323 [2024-11-23 23:52:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:52:48,653 INFO L471 AbstractCegarLoop]: Abstraction has 9804 states and 13798 transitions. [2024-11-23 23:52:48,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 2 states have call successors, (128), 2 states have call predecessors, (128), 2 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) [2024-11-23 23:52:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 13798 transitions. [2024-11-23 23:52:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2024-11-23 23:52:48,671 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:52:48,671 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:52:48,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 23:52:48,672 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:52:48,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:52:48,672 INFO L85 PathProgramCache]: Analyzing trace with hash 873316780, now seen corresponding path program 1 times [2024-11-23 23:52:48,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:52:48,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532715659] [2024-11-23 23:52:48,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:52:48,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:53:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:53:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4432 trivial. 0 not checked. [2024-11-23 23:53:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:53:03,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532715659] [2024-11-23 23:53:03,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532715659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:53:03,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:53:03,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:53:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200332621] [2024-11-23 23:53:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:53:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:53:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:53:03,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:53:03,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:53:03,703 INFO L87 Difference]: Start difference. First operand 9804 states and 13798 transitions. Second operand has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 5 states have internal predecessors, (449), 2 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (128), 4 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-23 23:53:04,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:53:04,516 INFO L93 Difference]: Finished difference Result 19615 states and 27650 transitions. [2024-11-23 23:53:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:53:04,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 5 states have internal predecessors, (449), 2 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (128), 4 states have call predecessors, (128), 2 states have call successors, (128) Word has length 1323 [2024-11-23 23:53:04,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:53:04,582 INFO L225 Difference]: With dead ends: 19615 [2024-11-23 23:53:04,582 INFO L226 Difference]: Without dead ends: 9828 [2024-11-23 23:53:04,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:53:04,615 INFO L435 NwaCegarLoop]: 6752 mSDtfsCounter, 9 mSDsluCounter, 33747 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 40499 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:53:04,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 40499 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:53:04,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9828 states. [2024-11-23 23:53:05,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9828 to 9818. [2024-11-23 23:53:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9818 states, 7256 states have (on average 1.2997519294377067) internal successors, (9431), 7344 states have internal predecessors, (9431), 2190 states have call successors, (2190), 368 states have call predecessors, (2190), 369 states have return successors, (2209), 2174 states have call predecessors, (2209), 2187 states have call successors, (2209) [2024-11-23 23:53:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9818 states to 9818 states and 13830 transitions. [2024-11-23 23:53:05,483 INFO L78 Accepts]: Start accepts. Automaton has 9818 states and 13830 transitions. Word has length 1323 [2024-11-23 23:53:05,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:53:05,484 INFO L471 AbstractCegarLoop]: Abstraction has 9818 states and 13830 transitions. [2024-11-23 23:53:05,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 64.14285714285714) internal successors, (449), 5 states have internal predecessors, (449), 2 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (128), 4 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-23 23:53:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 9818 states and 13830 transitions. [2024-11-23 23:53:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2024-11-23 23:53:05,509 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:53:05,509 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:53:05,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 23:53:05,510 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:53:05,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:53:05,510 INFO L85 PathProgramCache]: Analyzing trace with hash -506210630, now seen corresponding path program 1 times [2024-11-23 23:53:05,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:53:05,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403211816] [2024-11-23 23:53:05,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:53:05,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:53:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:53:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4588 trivial. 0 not checked. [2024-11-23 23:53:20,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:53:20,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403211816] [2024-11-23 23:53:20,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403211816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:53:20,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:53:20,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:53:20,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434949969] [2024-11-23 23:53:20,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:53:20,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:53:20,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:53:20,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:53:20,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:53:20,595 INFO L87 Difference]: Start difference. First operand 9818 states and 13830 transitions. Second operand has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 3 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) [2024-11-23 23:53:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:53:21,786 INFO L93 Difference]: Finished difference Result 19631 states and 27654 transitions. [2024-11-23 23:53:21,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:53:21,787 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 3 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) Word has length 1365 [2024-11-23 23:53:21,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:53:21,912 INFO L225 Difference]: With dead ends: 19631 [2024-11-23 23:53:21,912 INFO L226 Difference]: Without dead ends: 9830 [2024-11-23 23:53:21,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:53:21,941 INFO L435 NwaCegarLoop]: 6748 mSDtfsCounter, 0 mSDsluCounter, 26982 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33730 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:53:21,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33730 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:53:21,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9830 states. [2024-11-23 23:53:22,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9830 to 9830. [2024-11-23 23:53:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9830 states, 7266 states have (on average 1.2993393889347646) internal successors, (9441), 7354 states have internal predecessors, (9441), 2192 states have call successors, (2192), 368 states have call predecessors, (2192), 369 states have return successors, (2211), 2176 states have call predecessors, (2211), 2189 states have call successors, (2211) [2024-11-23 23:53:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13844 transitions. [2024-11-23 23:53:22,742 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13844 transitions. Word has length 1365 [2024-11-23 23:53:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:53:22,744 INFO L471 AbstractCegarLoop]: Abstraction has 9830 states and 13844 transitions. [2024-11-23 23:53:22,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.83333333333333) internal successors, (449), 6 states have internal predecessors, (449), 3 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 3 states have call predecessors, (128), 3 states have call successors, (128) [2024-11-23 23:53:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13844 transitions. [2024-11-23 23:53:22,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1330 [2024-11-23 23:53:22,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:53:22,764 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 13, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:53:22,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 23:53:22,764 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:53:22,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:53:22,765 INFO L85 PathProgramCache]: Analyzing trace with hash 954874236, now seen corresponding path program 1 times [2024-11-23 23:53:22,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:53:22,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104171219] [2024-11-23 23:53:22,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:53:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:53:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:53:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4462 trivial. 0 not checked. [2024-11-23 23:53:38,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:53:38,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104171219] [2024-11-23 23:53:38,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104171219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:53:38,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:53:38,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:53:38,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263632555] [2024-11-23 23:53:38,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:53:38,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:53:38,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:53:38,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:53:38,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:53:38,186 INFO L87 Difference]: Start difference. First operand 9830 states and 13844 transitions. Second operand has 5 states, 5 states have (on average 90.2) internal successors, (451), 4 states have internal predecessors, (451), 2 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 2 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-23 23:53:39,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:53:39,363 INFO L93 Difference]: Finished difference Result 9835 states and 13847 transitions. [2024-11-23 23:53:39,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:53:39,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 90.2) internal successors, (451), 4 states have internal predecessors, (451), 2 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 2 states have call predecessors, (128), 2 states have call successors, (128) Word has length 1329 [2024-11-23 23:53:39,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:53:39,414 INFO L225 Difference]: With dead ends: 9835 [2024-11-23 23:53:39,414 INFO L226 Difference]: Without dead ends: 9833 [2024-11-23 23:53:39,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:53:39,419 INFO L435 NwaCegarLoop]: 7322 mSDtfsCounter, 6164 mSDsluCounter, 21343 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6165 SdHoareTripleChecker+Valid, 28665 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:53:39,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6165 Valid, 28665 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:53:39,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9833 states. [2024-11-23 23:53:40,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9833 to 9830. [2024-11-23 23:53:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9830 states, 7266 states have (on average 1.2992017616295073) internal successors, (9440), 7354 states have internal predecessors, (9440), 2192 states have call successors, (2192), 368 states have call predecessors, (2192), 369 states have return successors, (2211), 2176 states have call predecessors, (2211), 2189 states have call successors, (2211) [2024-11-23 23:53:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13843 transitions. [2024-11-23 23:53:40,143 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13843 transitions. Word has length 1329 [2024-11-23 23:53:40,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:53:40,144 INFO L471 AbstractCegarLoop]: Abstraction has 9830 states and 13843 transitions. [2024-11-23 23:53:40,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 90.2) internal successors, (451), 4 states have internal predecessors, (451), 2 states have call successors, (129), 2 states have call predecessors, (129), 1 states have return successors, (128), 2 states have call predecessors, (128), 2 states have call successors, (128) [2024-11-23 23:53:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13843 transitions. [2024-11-23 23:53:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2024-11-23 23:53:40,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:53:40,176 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 26, 26, 20, 20, 14, 14, 14, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:53:40,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 23:53:40,177 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 2 more)] === [2024-11-23 23:53:40,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:53:40,178 INFO L85 PathProgramCache]: Analyzing trace with hash 647973809, now seen corresponding path program 1 times [2024-11-23 23:53:40,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:53:40,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055436863] [2024-11-23 23:53:40,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:53:40,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:53:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:53:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4841 trivial. 0 not checked. [2024-11-23 23:53:55,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:53:55,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055436863] [2024-11-23 23:53:55,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055436863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:53:55,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:53:55,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:53:55,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226053071] [2024-11-23 23:53:55,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:53:55,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:53:55,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:53:55,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:53:55,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:53:55,163 INFO L87 Difference]: Start difference. First operand 9830 states and 13843 transitions. Second operand has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-23 23:53:55,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:53:55,974 INFO L93 Difference]: Finished difference Result 19245 states and 27093 transitions. [2024-11-23 23:53:55,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:53:55,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) Word has length 1415 [2024-11-23 23:53:55,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:53:56,015 INFO L225 Difference]: With dead ends: 19245 [2024-11-23 23:53:56,015 INFO L226 Difference]: Without dead ends: 9432 [2024-11-23 23:53:56,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:53:56,040 INFO L435 NwaCegarLoop]: 6750 mSDtfsCounter, 0 mSDsluCounter, 20243 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26993 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:53:56,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26993 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:53:56,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9432 states. [2024-11-23 23:53:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9432 to 9432. [2024-11-23 23:53:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9432 states, 6955 states have (on average 1.298490294751977) internal successors, (9031), 7036 states have internal predecessors, (9031), 2111 states have call successors, (2111), 361 states have call predecessors, (2111), 363 states have return successors, (2130), 2100 states have call predecessors, (2130), 2108 states have call successors, (2130) [2024-11-23 23:53:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9432 states to 9432 states and 13272 transitions. [2024-11-23 23:53:56,666 INFO L78 Accepts]: Start accepts. Automaton has 9432 states and 13272 transitions. Word has length 1415 [2024-11-23 23:53:56,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:53:56,668 INFO L471 AbstractCegarLoop]: Abstraction has 9432 states and 13272 transitions. [2024-11-23 23:53:56,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.0) internal successors, (475), 5 states have internal predecessors, (475), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (135), 2 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-23 23:53:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 9432 states and 13272 transitions. [2024-11-23 23:53:56,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1380 [2024-11-23 23:53:56,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:53:56,698 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 26, 26, 20, 20, 14, 14, 14, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:53:56,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 23:53:56,698 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 2 more)] === [2024-11-23 23:53:56,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:53:56,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1694141709, now seen corresponding path program 1 times [2024-11-23 23:53:56,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:53:56,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365256880] [2024-11-23 23:53:56,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:53:56,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4715 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 4599 trivial. 0 not checked. [2024-11-23 23:54:15,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:15,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365256880] [2024-11-23 23:54:15,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365256880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:15,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:15,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:54:15,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462956103] [2024-11-23 23:54:15,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:15,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:54:15,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:15,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:54:15,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:54:15,333 INFO L87 Difference]: Start difference. First operand 9432 states and 13272 transitions. Second operand has 8 states, 7 states have (on average 68.42857142857143) internal successors, (479), 6 states have internal predecessors, (479), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-23 23:54:25,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:54:25,124 INFO L93 Difference]: Finished difference Result 18852 states and 26528 transitions. [2024-11-23 23:54:25,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:54:25,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 68.42857142857143) internal successors, (479), 6 states have internal predecessors, (479), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) Word has length 1379 [2024-11-23 23:54:25,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:54:25,175 INFO L225 Difference]: With dead ends: 18852 [2024-11-23 23:54:25,175 INFO L226 Difference]: Without dead ends: 9437 [2024-11-23 23:54:25,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:54:25,203 INFO L435 NwaCegarLoop]: 6628 mSDtfsCounter, 2 mSDsluCounter, 39619 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 46247 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:54:25,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 46247 Invalid, 1055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-23 23:54:25,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9437 states. [2024-11-23 23:54:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9437 to 9435. [2024-11-23 23:54:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9435 states, 6957 states have (on average 1.2984044846916774) internal successors, (9033), 7037 states have internal predecessors, (9033), 2112 states have call successors, (2112), 361 states have call predecessors, (2112), 363 states have return successors, (2131), 2101 states have call predecessors, (2131), 2109 states have call successors, (2131) [2024-11-23 23:54:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 13276 transitions. [2024-11-23 23:54:26,201 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 13276 transitions. Word has length 1379 [2024-11-23 23:54:26,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:54:26,202 INFO L471 AbstractCegarLoop]: Abstraction has 9435 states and 13276 transitions. [2024-11-23 23:54:26,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 68.42857142857143) internal successors, (479), 6 states have internal predecessors, (479), 3 states have call successors, (137), 2 states have call predecessors, (137), 2 states have return successors, (135), 3 states have call predecessors, (135), 2 states have call successors, (135) [2024-11-23 23:54:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 13276 transitions. [2024-11-23 23:54:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1419 [2024-11-23 23:54:26,227 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:54:26,227 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 26, 26, 20, 20, 14, 14, 14, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:26,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 23:54:26,228 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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 2 more)] === [2024-11-23 23:54:26,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:26,229 INFO L85 PathProgramCache]: Analyzing trace with hash 669611196, now seen corresponding path program 1 times [2024-11-23 23:54:26,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:26,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18255035] [2024-11-23 23:54:26,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:26,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:54:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:54:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4844 trivial. 0 not checked. [2024-11-23 23:54:45,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:54:45,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18255035] [2024-11-23 23:54:45,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18255035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:54:45,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:54:45,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:54:45,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144274600] [2024-11-23 23:54:45,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:54:45,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:54:45,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:54:45,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:54:45,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:54:45,462 INFO L87 Difference]: Start difference. First operand 9435 states and 13276 transitions. Second operand has 5 states, 5 states have (on average 94.8) internal successors, (474), 4 states have internal predecessors, (474), 2 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-23 23:54:49,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:54:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:54:50,944 INFO L93 Difference]: Finished difference Result 9435 states and 13276 transitions. [2024-11-23 23:54:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:54:50,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 94.8) internal successors, (474), 4 states have internal predecessors, (474), 2 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) Word has length 1418 [2024-11-23 23:54:50,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:54:50,990 INFO L225 Difference]: With dead ends: 9435 [2024-11-23 23:54:50,990 INFO L226 Difference]: Without dead ends: 9433 [2024-11-23 23:54:50,995 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 [2024-11-23 23:54:50,996 INFO L435 NwaCegarLoop]: 12478 mSDtfsCounter, 6693 mSDsluCounter, 30714 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6694 SdHoareTripleChecker+Valid, 43192 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:54:50,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6694 Valid, 43192 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-23 23:54:51,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9433 states. [2024-11-23 23:54:51,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9433 to 9433. [2024-11-23 23:54:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9433 states, 6956 states have (on average 1.298303622771708) internal successors, (9031), 7035 states have internal predecessors, (9031), 2112 states have call successors, (2112), 361 states have call predecessors, (2112), 363 states have return successors, (2131), 2101 states have call predecessors, (2131), 2109 states have call successors, (2131) [2024-11-23 23:54:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9433 states to 9433 states and 13274 transitions. [2024-11-23 23:54:51,914 INFO L78 Accepts]: Start accepts. Automaton has 9433 states and 13274 transitions. Word has length 1418 [2024-11-23 23:54:51,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:54:51,916 INFO L471 AbstractCegarLoop]: Abstraction has 9433 states and 13274 transitions. [2024-11-23 23:54:51,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.8) internal successors, (474), 4 states have internal predecessors, (474), 2 states have call successors, (138), 3 states have call predecessors, (138), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-23 23:54:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 9433 states and 13274 transitions. [2024-11-23 23:54:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1435 [2024-11-23 23:54:51,935 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:54:51,935 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 26, 26, 20, 20, 14, 14, 14, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:54:51,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 23:54:51,935 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_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 2 more)] === [2024-11-23 23:54:51,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:54:51,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1702089898, now seen corresponding path program 1 times [2024-11-23 23:54:51,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:54:51,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177222559] [2024-11-23 23:54:51,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:54:51,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:55:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:55:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4756 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4730 trivial. 0 not checked. [2024-11-23 23:55:08,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:55:08,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177222559] [2024-11-23 23:55:08,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177222559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:55:08,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:55:08,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:55:08,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431077045] [2024-11-23 23:55:08,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:55:08,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:55:08,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:55:08,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:55:08,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:55:08,530 INFO L87 Difference]: Start difference. First operand 9433 states and 13274 transitions. Second operand has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-23 23:55:09,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:55:09,202 INFO L93 Difference]: Finished difference Result 14337 states and 20186 transitions. [2024-11-23 23:55:09,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:55:09,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) Word has length 1434 [2024-11-23 23:55:09,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:55:09,222 INFO L225 Difference]: With dead ends: 14337 [2024-11-23 23:55:09,223 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:55:09,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:55:09,250 INFO L435 NwaCegarLoop]: 6341 mSDtfsCounter, 0 mSDsluCounter, 25349 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31690 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:55:09,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31690 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:55:09,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:55:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:55:09,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:55:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:55:09,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1434 [2024-11-23 23:55:09,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:55:09,265 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:55:09,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 2 states have call successors, (137), 2 states have call predecessors, (137), 1 states have return successors, (136), 2 states have call predecessors, (136), 2 states have call successors, (136) [2024-11-23 23:55:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:55:09,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:55:09,268 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-23 23:55:09,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-11-23 23:55:09,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-11-23 23:55:09,269 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-23 23:55:09,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-23 23:55:09,272 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:55:09,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.