./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 28084432560c47da1ffc5f98cfcaa5be6cb055f18fa0164e17cef2e3b92cbd47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:43:58,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:43:58,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 12:43:58,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:43:58,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:43:58,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:43:58,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:43:58,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:43:58,960 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:43:58,960 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:43:58,960 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:43:58,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:43:58,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:43:58,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:43:58,961 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:43:58,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:43:58,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:43:58,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:43:58,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:43:58,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:43:58,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:43:58,962 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:43:58,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:43:58,962 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:43:58,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:43:58,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:43:58,963 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28084432560c47da1ffc5f98cfcaa5be6cb055f18fa0164e17cef2e3b92cbd47 [2024-12-02 12:43:59,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:43:59,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:43:59,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:43:59,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:43:59,219 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:43:59,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-12-02 12:44:01,934 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/data/b56b4402e/f2d72ecac956409d820b1492a36db206/FLAG16229bd83 [2024-12-02 12:44:02,581 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:44:02,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-12-02 12:44:02,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/data/b56b4402e/f2d72ecac956409d820b1492a36db206/FLAG16229bd83 [2024-12-02 12:44:02,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/data/b56b4402e/f2d72ecac956409d820b1492a36db206 [2024-12-02 12:44:02,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:44:02,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:44:02,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:44:02,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:44:02,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:44:02,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:44:02" (1/1) ... [2024-12-02 12:44:02,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7950d249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:02, skipping insertion in model container [2024-12-02 12:44:02,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:44:02" (1/1) ... [2024-12-02 12:44:02,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:44:07,307 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2024-12-02 12:44:07,310 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2024-12-02 12:44:07,311 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2024-12-02 12:44:07,311 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2024-12-02 12:44:07,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:44:07,380 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:44:07,459 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] [2024-12-02 12:44:07,460 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] [2024-12-02 12:44:07,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6276] [2024-12-02 12:44:07,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [6292] [2024-12-02 12:44:07,494 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] [2024-12-02 12:44:07,494 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] [2024-12-02 12:44:07,495 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] [2024-12-02 12:44:07,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6394] [2024-12-02 12:44:07,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6450] [2024-12-02 12:44:07,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6453] [2024-12-02 12:44:07,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6456] [2024-12-02 12:44:07,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6459] [2024-12-02 12:44:07,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [6553] [2024-12-02 12:44:07,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6561] [2024-12-02 12:44:07,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [6568] [2024-12-02 12:44:07,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6575] [2024-12-02 12:44:07,502 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] [2024-12-02 12:44:07,503 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] [2024-12-02 12:44:07,503 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] [2024-12-02 12:44:07,508 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] [2024-12-02 12:44:07,509 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] [2024-12-02 12:44:07,510 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] [2024-12-02 12:44:07,511 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] [2024-12-02 12:44:07,522 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] [2024-12-02 12:44:07,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7354] [2024-12-02 12:44:07,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [10425] [2024-12-02 12:44:07,871 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508632,508645] [2024-12-02 12:44:07,872 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508801,508814] [2024-12-02 12:44:07,872 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[508968,508981] [2024-12-02 12:44:07,873 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_1f16dc43-ca3c-46eb-bf02-908ec1870be6/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[509136,509149] [2024-12-02 12:44:07,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:44:08,120 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:44:08,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08 WrapperNode [2024-12-02 12:44:08,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:44:08,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:44:08,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:44:08,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:44:08,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:08,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:08,539 INFO L138 Inliner]: procedures = 678, calls = 4062, calls flagged for inlining = 360, calls inlined = 334, statements flattened = 11759 [2024-12-02 12:44:08,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:44:08,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:44:08,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:44:08,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:44:08,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:08,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:08,605 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,580 INFO L175 MemorySlicer]: Split 1998 memory accesses to 24 slices as follows [10, 6, 2, 70, 14, 4, 1, 27, 1600, 1, 7, 60, 2, 6, 2, 8, 107, 40, 15, 1, 2, 4, 2, 7]. 80 percent of accesses are in the largest equivalence class. The 80 initializations are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 11, 1, 0, 60, 2, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 782 writes are split as follows [5, 4, 1, 60, 7, 0, 0, 2, 578, 0, 1, 0, 0, 0, 1, 5, 101, 0, 7, 1, 1, 4, 0, 4]. [2024-12-02 12:44:11,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,767 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:44:11,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:44:11,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:44:11,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:44:11,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (1/1) ... [2024-12-02 12:44:11,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:44:11,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:44:12,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:44:12,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:44:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2024-12-02 12:44:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 12:44:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2024-12-02 12:44:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 12:44:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2024-12-02 12:44:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2024-12-02 12:44:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 12:44:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 12:44:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2024-12-02 12:44:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2024-12-02 12:44:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2024-12-02 12:44:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2024-12-02 12:44:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2024-12-02 12:44:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2024-12-02 12:44:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 12:44:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 12:44:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 12:44:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 12:44:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 12:44:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 12:44:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 12:44:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 12:44:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 12:44:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 12:44:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 12:44:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 12:44:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 12:44:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 12:44:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 12:44:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 12:44:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2024-12-02 12:44:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2024-12-02 12:44:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:44:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 12:44:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 12:44:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2024-12-02 12:44:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2024-12-02 12:44:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2024-12-02 12:44:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-12-02 12:44:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2024-12-02 12:44:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 12:44:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2024-12-02 12:44:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 12:44:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 12:44:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2024-12-02 12:44:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2024-12-02 12:44:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2024-12-02 12:44:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 12:44:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 12:44:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2024-12-02 12:44:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 12:44:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 12:44:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 12:44:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 12:44:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 12:44:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 12:44:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:44:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 12:44:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 12:44:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 12:44:12,043 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 12:44:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 12:44:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 12:44:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 12:44:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 12:44:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 12:44:12,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2024-12-02 12:44:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 12:44:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 12:44:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 12:44:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2024-12-02 12:44:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2024-12-02 12:44:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2024-12-02 12:44:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 12:44:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 12:44:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 12:44:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2024-12-02 12:44:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2024-12-02 12:44:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:44:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2024-12-02 12:44:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-12-02 12:44:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 12:44:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 12:44:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 12:44:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 12:44:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 12:44:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 12:44:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 12:44:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 12:44:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 12:44:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-12-02 12:44:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-12-02 12:44:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-12-02 12:44:12,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2024-12-02 12:44:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2024-12-02 12:44:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2024-12-02 12:44:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 12:44:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 12:44:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 12:44:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 12:44:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2024-12-02 12:44:12,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2024-12-02 12:44:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 12:44:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2024-12-02 12:44:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2024-12-02 12:44:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2024-12-02 12:44:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2024-12-02 12:44:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-12-02 12:44:12,055 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 12:44:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 12:44:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 12:44:12,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 12:44:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2024-12-02 12:44:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2024-12-02 12:44:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2024-12-02 12:44:12,057 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2024-12-02 12:44:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 12:44:12,058 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 12:44:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2024-12-02 12:44:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2024-12-02 12:44:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2024-12-02 12:44:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 12:44:12,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 12:44:12,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2024-12-02 12:44:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 12:44:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2024-12-02 12:44:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 12:44:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 12:44:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2024-12-02 12:44:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2024-12-02 12:44:12,061 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2024-12-02 12:44:12,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2024-12-02 12:44:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2024-12-02 12:44:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2024-12-02 12:44:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2024-12-02 12:44:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2024-12-02 12:44:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2024-12-02 12:44:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2024-12-02 12:44:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 12:44:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 12:44:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 12:44:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 12:44:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2024-12-02 12:44:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2024-12-02 12:44:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2024-12-02 12:44:12,063 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2024-12-02 12:44:12,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 12:44:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2024-12-02 12:44:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2024-12-02 12:44:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2024-12-02 12:44:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2024-12-02 12:44:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 12:44:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 12:44:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 12:44:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 12:44:13,539 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:44:13,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:44:33,696 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 12:44:49,121 INFO L? ?]: Removed 5414 outVars from TransFormulas that were not future-live. [2024-12-02 12:44:49,121 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:44:49,193 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:44:49,193 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:44:49,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:44:49 BoogieIcfgContainer [2024-12-02 12:44:49,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:44:49,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:44:49,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:44:49,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:44:49,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:44:02" (1/3) ... [2024-12-02 12:44:49,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ec90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:44:49, skipping insertion in model container [2024-12-02 12:44:49,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:44:08" (2/3) ... [2024-12-02 12:44:49,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ec90d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:44:49, skipping insertion in model container [2024-12-02 12:44:49,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:44:49" (3/3) ... [2024-12-02 12:44:49,205 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2024-12-02 12:44:49,220 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:44:49,223 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. [2024-12-02 12:44:49,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:44:49,408 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;@4f8f3371, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:44:49,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 12:44:49,426 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) [2024-12-02 12:44:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 12:44:49,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:44:49,435 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] [2024-12-02 12:44:49,435 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)] === [2024-12-02 12:44:49,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:44:49,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1640720890, now seen corresponding path program 1 times [2024-12-02 12:44:49,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:44:49,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000732356] [2024-12-02 12:44:49,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:44:49,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 12:45:04,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:04,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000732356] [2024-12-02 12:45:04,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000732356] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:45:04,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:45:04,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:45:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489052512] [2024-12-02 12:45:04,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:45:04,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:45:04,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:04,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:45:04,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:45:04,259 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) [2024-12-02 12:45:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:05,092 INFO L93 Difference]: Finished difference Result 9560 states and 13987 transitions. [2024-12-02 12:45:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:45:05,094 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 [2024-12-02 12:45:05,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:05,147 INFO L225 Difference]: With dead ends: 9560 [2024-12-02 12:45:05,147 INFO L226 Difference]: Without dead ends: 4778 [2024-12-02 12:45:05,181 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 [2024-12-02 12:45:05,184 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:45:05,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6772 Valid, 20335 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:45:05,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2024-12-02 12:45:05,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4778. [2024-12-02 12:45:05,575 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) [2024-12-02 12:45:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 6770 transitions. [2024-12-02 12:45:05,624 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 6770 transitions. Word has length 48 [2024-12-02 12:45:05,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:05,625 INFO L471 AbstractCegarLoop]: Abstraction has 4778 states and 6770 transitions. [2024-12-02 12:45:05,625 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) [2024-12-02 12:45:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 6770 transitions. [2024-12-02 12:45:05,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 12:45:05,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:05,627 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] [2024-12-02 12:45:05,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:45:05,628 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)] === [2024-12-02 12:45:05,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:05,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1625194122, now seen corresponding path program 1 times [2024-12-02 12:45:05,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:05,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641572838] [2024-12-02 12:45:05,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:05,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 12:45:18,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:18,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641572838] [2024-12-02 12:45:18,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641572838] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:45:18,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:45:18,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:45:18,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925219021] [2024-12-02 12:45:18,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:45:18,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:45:18,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:18,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:45:18,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:45:18,686 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) [2024-12-02 12:45:19,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:19,376 INFO L93 Difference]: Finished difference Result 4784 states and 6775 transitions. [2024-12-02 12:45:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:45:19,377 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 [2024-12-02 12:45:19,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:19,414 INFO L225 Difference]: With dead ends: 4784 [2024-12-02 12:45:19,414 INFO L226 Difference]: Without dead ends: 4782 [2024-12-02 12:45:19,418 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 [2024-12-02 12:45:19,419 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 [2024-12-02 12:45:19,420 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] [2024-12-02 12:45:19,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2024-12-02 12:45:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4782. [2024-12-02 12:45:19,693 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) [2024-12-02 12:45:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4782 states and 6773 transitions. [2024-12-02 12:45:19,736 INFO L78 Accepts]: Start accepts. Automaton has 4782 states and 6773 transitions. Word has length 53 [2024-12-02 12:45:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:19,737 INFO L471 AbstractCegarLoop]: Abstraction has 4782 states and 6773 transitions. [2024-12-02 12:45:19,738 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) [2024-12-02 12:45:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 6773 transitions. [2024-12-02 12:45:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-02 12:45:19,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:19,740 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] [2024-12-02 12:45:19,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:45:19,741 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)] === [2024-12-02 12:45:19,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:19,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1521995578, now seen corresponding path program 1 times [2024-12-02 12:45:19,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:19,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053817806] [2024-12-02 12:45:19,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:19,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-02 12:45:32,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:32,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053817806] [2024-12-02 12:45:32,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053817806] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:45:32,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:45:32,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:45:32,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583491892] [2024-12-02 12:45:32,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:45:32,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:45:32,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:32,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:45:32,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:45:32,282 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) [2024-12-02 12:45:32,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:32,910 INFO L93 Difference]: Finished difference Result 4788 states and 6778 transitions. [2024-12-02 12:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:45:32,911 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 [2024-12-02 12:45:32,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:32,947 INFO L225 Difference]: With dead ends: 4788 [2024-12-02 12:45:32,947 INFO L226 Difference]: Without dead ends: 4786 [2024-12-02 12:45:32,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:45:32,953 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 [2024-12-02 12:45:32,953 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] [2024-12-02 12:45:32,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2024-12-02 12:45:33,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4786. [2024-12-02 12:45:33,269 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) [2024-12-02 12:45:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4786 states to 4786 states and 6776 transitions. [2024-12-02 12:45:33,295 INFO L78 Accepts]: Start accepts. Automaton has 4786 states and 6776 transitions. Word has length 58 [2024-12-02 12:45:33,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:33,295 INFO L471 AbstractCegarLoop]: Abstraction has 4786 states and 6776 transitions. [2024-12-02 12:45:33,296 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) [2024-12-02 12:45:33,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4786 states and 6776 transitions. [2024-12-02 12:45:33,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 12:45:33,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:33,298 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] [2024-12-02 12:45:33,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:45:33,298 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)] === [2024-12-02 12:45:33,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:33,299 INFO L85 PathProgramCache]: Analyzing trace with hash 547132342, now seen corresponding path program 1 times [2024-12-02 12:45:33,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:33,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642164635] [2024-12-02 12:45:33,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:33,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-02 12:45:44,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:44,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642164635] [2024-12-02 12:45:44,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642164635] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:45:44,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:45:44,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:45:44,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501169306] [2024-12-02 12:45:44,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:45:44,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:45:44,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:44,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:45:44,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:45:44,605 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) [2024-12-02 12:45:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:45,060 INFO L93 Difference]: Finished difference Result 4792 states and 6781 transitions. [2024-12-02 12:45:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:45:45,061 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 [2024-12-02 12:45:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:45,083 INFO L225 Difference]: With dead ends: 4792 [2024-12-02 12:45:45,084 INFO L226 Difference]: Without dead ends: 4790 [2024-12-02 12:45:45,086 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 [2024-12-02 12:45:45,087 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:45:45,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6746 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:45:45,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4790 states. [2024-12-02 12:45:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4790 to 4790. [2024-12-02 12:45:45,257 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) [2024-12-02 12:45:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 6779 transitions. [2024-12-02 12:45:45,275 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 6779 transitions. Word has length 63 [2024-12-02 12:45:45,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:45,275 INFO L471 AbstractCegarLoop]: Abstraction has 4790 states and 6779 transitions. [2024-12-02 12:45:45,275 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) [2024-12-02 12:45:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 6779 transitions. [2024-12-02 12:45:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-02 12:45:45,277 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:45,278 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] [2024-12-02 12:45:45,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:45:45,278 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)] === [2024-12-02 12:45:45,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:45,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1295494022, now seen corresponding path program 1 times [2024-12-02 12:45:45,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:45,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955069530] [2024-12-02 12:45:45,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:45,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:45:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:45:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-12-02 12:45:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:45:56,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955069530] [2024-12-02 12:45:56,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955069530] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:45:56,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:45:56,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:45:56,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656506356] [2024-12-02 12:45:56,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:45:56,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:45:56,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:45:56,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:45:56,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:45:56,687 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) [2024-12-02 12:45:57,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:45:57,231 INFO L93 Difference]: Finished difference Result 4796 states and 6784 transitions. [2024-12-02 12:45:57,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:45:57,231 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 [2024-12-02 12:45:57,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:45:57,259 INFO L225 Difference]: With dead ends: 4796 [2024-12-02 12:45:57,259 INFO L226 Difference]: Without dead ends: 4794 [2024-12-02 12:45:57,262 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 [2024-12-02 12:45:57,263 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 [2024-12-02 12:45:57,263 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] [2024-12-02 12:45:57,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4794 states. [2024-12-02 12:45:57,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4794 to 4794. [2024-12-02 12:45:57,551 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) [2024-12-02 12:45:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6782 transitions. [2024-12-02 12:45:57,580 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6782 transitions. Word has length 68 [2024-12-02 12:45:57,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:45:57,581 INFO L471 AbstractCegarLoop]: Abstraction has 4794 states and 6782 transitions. [2024-12-02 12:45:57,581 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) [2024-12-02 12:45:57,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6782 transitions. [2024-12-02 12:45:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 12:45:57,582 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:45:57,583 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] [2024-12-02 12:45:57,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:45:57,583 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)] === [2024-12-02 12:45:57,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:45:57,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1266186762, now seen corresponding path program 1 times [2024-12-02 12:45:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:45:57,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902083533] [2024-12-02 12:45:57,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:45:57,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:46:09,102 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-02 12:46:09,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:46:09,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902083533] [2024-12-02 12:46:09,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902083533] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:46:09,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:46:09,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:46:09,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902262683] [2024-12-02 12:46:09,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:46:09,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:46:09,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:46:09,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:46:09,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:46:09,103 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) [2024-12-02 12:46:09,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:46:09,530 INFO L93 Difference]: Finished difference Result 4800 states and 6787 transitions. [2024-12-02 12:46:09,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:46:09,530 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, (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 [2024-12-02 12:46:09,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:46:09,555 INFO L225 Difference]: With dead ends: 4800 [2024-12-02 12:46:09,555 INFO L226 Difference]: Without dead ends: 4798 [2024-12-02 12:46:09,558 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 [2024-12-02 12:46:09,559 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:46:09,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6744 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:46:09,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4798 states. [2024-12-02 12:46:09,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4798 to 4798. [2024-12-02 12:46:09,738 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) [2024-12-02 12:46:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 6785 transitions. [2024-12-02 12:46:09,755 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 6785 transitions. Word has length 73 [2024-12-02 12:46:09,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:09,755 INFO L471 AbstractCegarLoop]: Abstraction has 4798 states and 6785 transitions. [2024-12-02 12:46:09,755 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) [2024-12-02 12:46:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 6785 transitions. [2024-12-02 12:46:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 12:46:09,756 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:09,757 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] [2024-12-02 12:46:09,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:46:09,757 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)] === [2024-12-02 12:46:09,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:09,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1666513338, now seen corresponding path program 1 times [2024-12-02 12:46:09,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:09,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752632400] [2024-12-02 12:46:09,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:46:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:46:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-12-02 12:46:21,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:46:21,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752632400] [2024-12-02 12:46:21,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752632400] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:46:21,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:46:21,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:46:21,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090485898] [2024-12-02 12:46:21,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:46:21,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:46:21,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:46:21,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:46:21,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:46:21,171 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) [2024-12-02 12:46:21,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:46:21,642 INFO L93 Difference]: Finished difference Result 4804 states and 6790 transitions. [2024-12-02 12:46:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:46:21,642 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 [2024-12-02 12:46:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:46:21,666 INFO L225 Difference]: With dead ends: 4804 [2024-12-02 12:46:21,667 INFO L226 Difference]: Without dead ends: 4802 [2024-12-02 12:46:21,670 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 [2024-12-02 12:46:21,671 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:46:21,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:46:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4802 states. [2024-12-02 12:46:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4802 to 4802. [2024-12-02 12:46:21,946 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) [2024-12-02 12:46:21,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4802 states to 4802 states and 6788 transitions. [2024-12-02 12:46:21,969 INFO L78 Accepts]: Start accepts. Automaton has 4802 states and 6788 transitions. Word has length 78 [2024-12-02 12:46:21,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:21,969 INFO L471 AbstractCegarLoop]: Abstraction has 4802 states and 6788 transitions. [2024-12-02 12:46:21,969 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) [2024-12-02 12:46:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4802 states and 6788 transitions. [2024-12-02 12:46:21,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 12:46:21,971 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:21,971 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] [2024-12-02 12:46:21,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:46:21,971 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)] === [2024-12-02 12:46:21,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:21,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1909123413, now seen corresponding path program 1 times [2024-12-02 12:46:21,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:21,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210323597] [2024-12-02 12:46:21,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:46:21,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:46:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 12:46:33,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:46:33,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210323597] [2024-12-02 12:46:33,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210323597] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:46:33,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:46:33,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:46:33,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602345907] [2024-12-02 12:46:33,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:46:33,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:46:33,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:46:33,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:46:33,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:46:33,531 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) [2024-12-02 12:46:34,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:46:34,006 INFO L93 Difference]: Finished difference Result 4808 states and 6793 transitions. [2024-12-02 12:46:34,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:46:34,006 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 [2024-12-02 12:46:34,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:46:34,018 INFO L225 Difference]: With dead ends: 4808 [2024-12-02 12:46:34,019 INFO L226 Difference]: Without dead ends: 4806 [2024-12-02 12:46:34,020 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 [2024-12-02 12:46:34,020 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:46:34,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6732 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:46:34,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2024-12-02 12:46:34,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 4806. [2024-12-02 12:46:34,203 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) [2024-12-02 12:46:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 6791 transitions. [2024-12-02 12:46:34,218 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 6791 transitions. Word has length 96 [2024-12-02 12:46:34,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:34,218 INFO L471 AbstractCegarLoop]: Abstraction has 4806 states and 6791 transitions. [2024-12-02 12:46:34,218 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) [2024-12-02 12:46:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 6791 transitions. [2024-12-02 12:46:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 12:46:34,220 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:34,220 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] [2024-12-02 12:46:34,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:46:34,220 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)] === [2024-12-02 12:46:34,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:34,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1749696774, now seen corresponding path program 1 times [2024-12-02 12:46:34,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:34,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390642426] [2024-12-02 12:46:34,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:46:34,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:46:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-12-02 12:46:45,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:46:45,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390642426] [2024-12-02 12:46:45,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390642426] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:46:45,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:46:45,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:46:45,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926071041] [2024-12-02 12:46:45,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:46:45,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:46:45,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:46:45,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:46:45,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:46:45,644 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) [2024-12-02 12:46:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:46:46,344 INFO L93 Difference]: Finished difference Result 5109 states and 7199 transitions. [2024-12-02 12:46:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:46:46,345 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 [2024-12-02 12:46:46,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:46:46,366 INFO L225 Difference]: With dead ends: 5109 [2024-12-02 12:46:46,366 INFO L226 Difference]: Without dead ends: 5107 [2024-12-02 12:46:46,370 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 [2024-12-02 12:46:46,370 INFO L435 NwaCegarLoop]: 7037 mSDtfsCounter, 6646 mSDsluCounter, 14541 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-12-02 12:46:46,370 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] [2024-12-02 12:46:46,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5107 states. [2024-12-02 12:46:46,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5107 to 5105. [2024-12-02 12:46:46,674 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) [2024-12-02 12:46:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 7196 transitions. [2024-12-02 12:46:46,689 INFO L78 Accepts]: Start accepts. Automaton has 5105 states and 7196 transitions. Word has length 88 [2024-12-02 12:46:46,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:46,689 INFO L471 AbstractCegarLoop]: Abstraction has 5105 states and 7196 transitions. [2024-12-02 12:46:46,689 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) [2024-12-02 12:46:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 5105 states and 7196 transitions. [2024-12-02 12:46:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 12:46:46,690 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:46,690 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] [2024-12-02 12:46:46,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:46:46,691 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)] === [2024-12-02 12:46:46,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:46,691 INFO L85 PathProgramCache]: Analyzing trace with hash -358090069, now seen corresponding path program 1 times [2024-12-02 12:46:46,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:46,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032082277] [2024-12-02 12:46:46,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:46:46,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:46:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:46:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-12-02 12:46:57,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:46:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032082277] [2024-12-02 12:46:57,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032082277] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:46:57,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:46:57,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:46:57,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154100257] [2024-12-02 12:46:57,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:46:57,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:46:57,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:46:57,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:46:57,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:46:57,834 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) [2024-12-02 12:46:58,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:46:58,356 INFO L93 Difference]: Finished difference Result 5111 states and 7201 transitions. [2024-12-02 12:46:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:46:58,357 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 [2024-12-02 12:46:58,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:46:58,383 INFO L225 Difference]: With dead ends: 5111 [2024-12-02 12:46:58,383 INFO L226 Difference]: Without dead ends: 5109 [2024-12-02 12:46:58,386 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 [2024-12-02 12:46:58,387 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:46:58,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6730 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:46:58,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2024-12-02 12:46:58,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 5109. [2024-12-02 12:46:58,690 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) [2024-12-02 12:46:58,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 5109 states and 7199 transitions. [2024-12-02 12:46:58,705 INFO L78 Accepts]: Start accepts. Automaton has 5109 states and 7199 transitions. Word has length 106 [2024-12-02 12:46:58,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:46:58,706 INFO L471 AbstractCegarLoop]: Abstraction has 5109 states and 7199 transitions. [2024-12-02 12:46:58,706 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) [2024-12-02 12:46:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 7199 transitions. [2024-12-02 12:46:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 12:46:58,708 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:46:58,708 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] [2024-12-02 12:46:58,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:46:58,708 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)] === [2024-12-02 12:46:58,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:46:58,709 INFO L85 PathProgramCache]: Analyzing trace with hash 682528037, now seen corresponding path program 1 times [2024-12-02 12:46:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:46:58,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913819696] [2024-12-02 12:46:58,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:46:58,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:47:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:47:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-12-02 12:47:10,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:47:10,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913819696] [2024-12-02 12:47:10,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913819696] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:47:10,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:47:10,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:47:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250337410] [2024-12-02 12:47:10,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:47:10,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:47:10,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:47:10,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:47:10,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:47:10,118 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) [2024-12-02 12:47:10,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:47:10,650 INFO L93 Difference]: Finished difference Result 5115 states and 7204 transitions. [2024-12-02 12:47:10,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:47:10,651 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 [2024-12-02 12:47:10,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:47:10,675 INFO L225 Difference]: With dead ends: 5115 [2024-12-02 12:47:10,675 INFO L226 Difference]: Without dead ends: 5113 [2024-12-02 12:47:10,678 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 [2024-12-02 12:47:10,679 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:47:10,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6729 Valid, 20279 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:47:10,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5113 states. [2024-12-02 12:47:11,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5113 to 5113. [2024-12-02 12:47:11,064 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) [2024-12-02 12:47:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 5113 states and 7202 transitions. [2024-12-02 12:47:11,085 INFO L78 Accepts]: Start accepts. Automaton has 5113 states and 7202 transitions. Word has length 111 [2024-12-02 12:47:11,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:47:11,086 INFO L471 AbstractCegarLoop]: Abstraction has 5113 states and 7202 transitions. [2024-12-02 12:47:11,086 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) [2024-12-02 12:47:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5113 states and 7202 transitions. [2024-12-02 12:47:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 12:47:11,088 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:47:11,089 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] [2024-12-02 12:47:11,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 12:47:11,089 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)] === [2024-12-02 12:47:11,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:47:11,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1304457557, now seen corresponding path program 1 times [2024-12-02 12:47:11,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:47:11,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192713475] [2024-12-02 12:47:11,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:47:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:47:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:47:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-12-02 12:47:22,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:47:22,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192713475] [2024-12-02 12:47:22,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192713475] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:47:22,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:47:22,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:47:22,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836714810] [2024-12-02 12:47:22,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:47:22,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:47:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:47:22,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:47:22,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:47:22,302 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) [2024-12-02 12:47:22,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:47:22,823 INFO L93 Difference]: Finished difference Result 5119 states and 7207 transitions. [2024-12-02 12:47:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:47:22,824 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 [2024-12-02 12:47:22,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:47:22,836 INFO L225 Difference]: With dead ends: 5119 [2024-12-02 12:47:22,836 INFO L226 Difference]: Without dead ends: 5117 [2024-12-02 12:47:22,837 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 [2024-12-02 12:47:22,838 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 [2024-12-02 12:47:22,838 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] [2024-12-02 12:47:22,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2024-12-02 12:47:23,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5117. [2024-12-02 12:47:23,207 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) [2024-12-02 12:47:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 5117 states and 7205 transitions. [2024-12-02 12:47:23,229 INFO L78 Accepts]: Start accepts. Automaton has 5117 states and 7205 transitions. Word has length 116 [2024-12-02 12:47:23,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:47:23,229 INFO L471 AbstractCegarLoop]: Abstraction has 5117 states and 7205 transitions. [2024-12-02 12:47:23,229 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) [2024-12-02 12:47:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 7205 transitions. [2024-12-02 12:47:23,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 12:47:23,232 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:47:23,232 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] [2024-12-02 12:47:23,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 12:47:23,232 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)] === [2024-12-02 12:47:23,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:47:23,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1284861853, now seen corresponding path program 1 times [2024-12-02 12:47:23,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:47:23,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843051766] [2024-12-02 12:47:23,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:47:23,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:47:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:47:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-12-02 12:47:35,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:47:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843051766] [2024-12-02 12:47:35,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843051766] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:47:35,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:47:35,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:47:35,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935834112] [2024-12-02 12:47:35,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:47:35,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:47:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:47:35,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:47:35,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:47:35,141 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) [2024-12-02 12:47:35,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:47:35,593 INFO L93 Difference]: Finished difference Result 5119 states and 7206 transitions. [2024-12-02 12:47:35,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:47:35,593 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 [2024-12-02 12:47:35,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:47:35,610 INFO L225 Difference]: With dead ends: 5119 [2024-12-02 12:47:35,610 INFO L226 Difference]: Without dead ends: 5117 [2024-12-02 12:47:35,612 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 [2024-12-02 12:47:35,613 INFO L435 NwaCegarLoop]: 7032 mSDtfsCounter, 6634 mSDsluCounter, 14550 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:47:35,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6635 Valid, 21582 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:47:35,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5117 states. [2024-12-02 12:47:35,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5117 to 5115. [2024-12-02 12:47:35,887 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) [2024-12-02 12:47:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7203 transitions. [2024-12-02 12:47:35,904 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7203 transitions. Word has length 131 [2024-12-02 12:47:35,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:47:35,904 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7203 transitions. [2024-12-02 12:47:35,904 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) [2024-12-02 12:47:35,904 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7203 transitions. [2024-12-02 12:47:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-02 12:47:35,907 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:47:35,907 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] [2024-12-02 12:47:35,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 12:47:35,907 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)] === [2024-12-02 12:47:35,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:47:35,908 INFO L85 PathProgramCache]: Analyzing trace with hash 861120890, now seen corresponding path program 1 times [2024-12-02 12:47:35,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:47:35,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116438188] [2024-12-02 12:47:35,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:47:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:47:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:47:47,301 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-12-02 12:47:47,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:47:47,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116438188] [2024-12-02 12:47:47,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116438188] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:47:47,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:47:47,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:47:47,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787387906] [2024-12-02 12:47:47,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:47:47,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:47:47,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:47:47,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:47:47,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:47:47,302 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) [2024-12-02 12:47:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:47:47,797 INFO L93 Difference]: Finished difference Result 5121 states and 7208 transitions. [2024-12-02 12:47:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:47:47,798 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 [2024-12-02 12:47:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:47:47,817 INFO L225 Difference]: With dead ends: 5121 [2024-12-02 12:47:47,817 INFO L226 Difference]: Without dead ends: 5119 [2024-12-02 12:47:47,820 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 [2024-12-02 12:47:47,821 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 [2024-12-02 12:47:47,821 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] [2024-12-02 12:47:47,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2024-12-02 12:47:48,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 5119. [2024-12-02 12:47:48,214 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) [2024-12-02 12:47:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7206 transitions. [2024-12-02 12:47:48,230 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7206 transitions. Word has length 108 [2024-12-02 12:47:48,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:47:48,230 INFO L471 AbstractCegarLoop]: Abstraction has 5119 states and 7206 transitions. [2024-12-02 12:47:48,230 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) [2024-12-02 12:47:48,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7206 transitions. [2024-12-02 12:47:48,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 12:47:48,232 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:47:48,232 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] [2024-12-02 12:47:48,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 12:47:48,232 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)] === [2024-12-02 12:47:48,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:47:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2099260757, now seen corresponding path program 1 times [2024-12-02 12:47:48,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:47:48,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991650100] [2024-12-02 12:47:48,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:47:48,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:47:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:47:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-12-02 12:47:59,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:47:59,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991650100] [2024-12-02 12:47:59,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991650100] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:47:59,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:47:59,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:47:59,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377185065] [2024-12-02 12:47:59,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:47:59,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:47:59,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:47:59,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:47:59,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:47:59,510 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) [2024-12-02 12:48:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:48:00,015 INFO L93 Difference]: Finished difference Result 5125 states and 7211 transitions. [2024-12-02 12:48:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:48:00,016 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 [2024-12-02 12:48:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:48:00,030 INFO L225 Difference]: With dead ends: 5125 [2024-12-02 12:48:00,030 INFO L226 Difference]: Without dead ends: 5123 [2024-12-02 12:48:00,033 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 [2024-12-02 12:48:00,034 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 [2024-12-02 12:48:00,034 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] [2024-12-02 12:48:00,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-12-02 12:48:00,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 5123. [2024-12-02 12:48:00,324 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) [2024-12-02 12:48:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 5123 states and 7209 transitions. [2024-12-02 12:48:00,338 INFO L78 Accepts]: Start accepts. Automaton has 5123 states and 7209 transitions. Word has length 126 [2024-12-02 12:48:00,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:48:00,339 INFO L471 AbstractCegarLoop]: Abstraction has 5123 states and 7209 transitions. [2024-12-02 12:48:00,339 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) [2024-12-02 12:48:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5123 states and 7209 transitions. [2024-12-02 12:48:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 12:48:00,341 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:48:00,341 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] [2024-12-02 12:48:00,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 12:48:00,341 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)] === [2024-12-02 12:48:00,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:48:00,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1307438043, now seen corresponding path program 1 times [2024-12-02 12:48:00,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:48:00,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903029881] [2024-12-02 12:48:00,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:48:00,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:48:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:48:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-12-02 12:48:11,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:48:11,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903029881] [2024-12-02 12:48:11,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903029881] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:48:11,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:48:11,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:48:11,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601219814] [2024-12-02 12:48:11,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:48:11,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:48:11,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:48:11,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:48:11,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:48:11,773 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) [2024-12-02 12:48:12,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:48:12,304 INFO L93 Difference]: Finished difference Result 5129 states and 7214 transitions. [2024-12-02 12:48:12,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:48:12,305 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 [2024-12-02 12:48:12,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:48:12,319 INFO L225 Difference]: With dead ends: 5129 [2024-12-02 12:48:12,319 INFO L226 Difference]: Without dead ends: 5125 [2024-12-02 12:48:12,322 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 [2024-12-02 12:48:12,323 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 [2024-12-02 12:48:12,323 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] [2024-12-02 12:48:12,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5125 states. [2024-12-02 12:48:12,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5125 to 5125. [2024-12-02 12:48:12,613 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) [2024-12-02 12:48:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 5125 states and 7210 transitions. [2024-12-02 12:48:12,630 INFO L78 Accepts]: Start accepts. Automaton has 5125 states and 7210 transitions. Word has length 131 [2024-12-02 12:48:12,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:48:12,631 INFO L471 AbstractCegarLoop]: Abstraction has 5125 states and 7210 transitions. [2024-12-02 12:48:12,631 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) [2024-12-02 12:48:12,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5125 states and 7210 transitions. [2024-12-02 12:48:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 12:48:12,634 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:48:12,634 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] [2024-12-02 12:48:12,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 12:48:12,634 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)] === [2024-12-02 12:48:12,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:48:12,635 INFO L85 PathProgramCache]: Analyzing trace with hash -311638357, now seen corresponding path program 1 times [2024-12-02 12:48:12,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:48:12,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005516173] [2024-12-02 12:48:12,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:48:12,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:48:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:48:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-12-02 12:48:24,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:48:24,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005516173] [2024-12-02 12:48:24,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005516173] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:48:24,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:48:24,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:48:24,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942233324] [2024-12-02 12:48:24,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:48:24,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:48:24,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:48:24,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:48:24,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:48:24,073 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) [2024-12-02 12:48:25,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:48:25,046 INFO L93 Difference]: Finished difference Result 10222 states and 14381 transitions. [2024-12-02 12:48:25,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:48:25,047 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 [2024-12-02 12:48:25,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:48:25,073 INFO L225 Difference]: With dead ends: 10222 [2024-12-02 12:48:25,074 INFO L226 Difference]: Without dead ends: 10122 [2024-12-02 12:48:25,077 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 [2024-12-02 12:48:25,078 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 [2024-12-02 12:48:25,078 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] [2024-12-02 12:48:25,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10122 states. [2024-12-02 12:48:25,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10122 to 10117. [2024-12-02 12:48:25,697 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) [2024-12-02 12:48:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10117 states to 10117 states and 14273 transitions. [2024-12-02 12:48:25,727 INFO L78 Accepts]: Start accepts. Automaton has 10117 states and 14273 transitions. Word has length 136 [2024-12-02 12:48:25,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:48:25,728 INFO L471 AbstractCegarLoop]: Abstraction has 10117 states and 14273 transitions. [2024-12-02 12:48:25,728 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) [2024-12-02 12:48:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 10117 states and 14273 transitions. [2024-12-02 12:48:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-12-02 12:48:25,733 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:48:25,733 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] [2024-12-02 12:48:25,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 12:48:25,734 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)] === [2024-12-02 12:48:25,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:48:25,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1437417450, now seen corresponding path program 1 times [2024-12-02 12:48:25,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:48:25,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891956325] [2024-12-02 12:48:25,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:48:25,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:48:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:48:36,997 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 12:48:36,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:48:36,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891956325] [2024-12-02 12:48:36,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891956325] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:48:36,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:48:36,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:48:36,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973251856] [2024-12-02 12:48:36,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:48:36,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:48:36,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:48:36,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:48:36,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:48:36,999 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) [2024-12-02 12:48:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:48:37,575 INFO L93 Difference]: Finished difference Result 20287 states and 28936 transitions. [2024-12-02 12:48:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:48:37,575 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 [2024-12-02 12:48:37,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:48:37,622 INFO L225 Difference]: With dead ends: 20287 [2024-12-02 12:48:37,622 INFO L226 Difference]: Without dead ends: 10189 [2024-12-02 12:48:37,676 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 [2024-12-02 12:48:37,676 INFO L435 NwaCegarLoop]: 6762 mSDtfsCounter, 15 mSDsluCounter, 6760 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:48:37,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 13522 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:48:37,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10189 states. [2024-12-02 12:48:38,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10189 to 10121. [2024-12-02 12:48:38,463 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) [2024-12-02 12:48:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10121 states to 10121 states and 14277 transitions. [2024-12-02 12:48:38,494 INFO L78 Accepts]: Start accepts. Automaton has 10121 states and 14277 transitions. Word has length 219 [2024-12-02 12:48:38,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:48:38,495 INFO L471 AbstractCegarLoop]: Abstraction has 10121 states and 14277 transitions. [2024-12-02 12:48:38,495 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) [2024-12-02 12:48:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 10121 states and 14277 transitions. [2024-12-02 12:48:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 12:48:38,499 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:48:38,499 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] [2024-12-02 12:48:38,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 12:48:38,499 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)] === [2024-12-02 12:48:38,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:48:38,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2112643620, now seen corresponding path program 1 times [2024-12-02 12:48:38,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:48:38,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276482235] [2024-12-02 12:48:38,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:48:38,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:48:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:48:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 12:48:49,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:48:49,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276482235] [2024-12-02 12:48:49,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276482235] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:48:49,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:48:49,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:48:49,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082948493] [2024-12-02 12:48:49,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:48:49,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:48:49,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:48:49,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:48:49,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:48:49,154 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) [2024-12-02 12:48:49,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:48:49,676 INFO L93 Difference]: Finished difference Result 20227 states and 28752 transitions. [2024-12-02 12:48:49,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:48:49,676 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 [2024-12-02 12:48:49,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:48:49,708 INFO L225 Difference]: With dead ends: 20227 [2024-12-02 12:48:49,708 INFO L226 Difference]: Without dead ends: 10125 [2024-12-02 12:48:49,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:48:49,736 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 [2024-12-02 12:48:49,737 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] [2024-12-02 12:48:49,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10125 states. [2024-12-02 12:48:50,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10125 to 10125. [2024-12-02 12:48:50,375 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) [2024-12-02 12:48:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10125 states to 10125 states and 14281 transitions. [2024-12-02 12:48:50,408 INFO L78 Accepts]: Start accepts. Automaton has 10125 states and 14281 transitions. Word has length 233 [2024-12-02 12:48:50,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:48:50,408 INFO L471 AbstractCegarLoop]: Abstraction has 10125 states and 14281 transitions. [2024-12-02 12:48:50,408 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) [2024-12-02 12:48:50,408 INFO L276 IsEmpty]: Start isEmpty. Operand 10125 states and 14281 transitions. [2024-12-02 12:48:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 12:48:50,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:48:50,412 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] [2024-12-02 12:48:50,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 12:48:50,412 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)] === [2024-12-02 12:48:50,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:48:50,413 INFO L85 PathProgramCache]: Analyzing trace with hash 376885342, now seen corresponding path program 1 times [2024-12-02 12:48:50,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:48:50,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638522432] [2024-12-02 12:48:50,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:48:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:49:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 12:49:02,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:49:02,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638522432] [2024-12-02 12:49:02,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638522432] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:02,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:02,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:49:02,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580792490] [2024-12-02 12:49:02,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:02,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:49:02,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:49:02,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:49:02,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:49:02,300 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) [2024-12-02 12:49:06,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:49:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:07,543 INFO L93 Difference]: Finished difference Result 10127 states and 14282 transitions. [2024-12-02 12:49:07,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:49:07,543 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 [2024-12-02 12:49:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:07,581 INFO L225 Difference]: With dead ends: 10127 [2024-12-02 12:49:07,581 INFO L226 Difference]: Without dead ends: 9802 [2024-12-02 12:49:07,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:49:07,588 INFO L435 NwaCegarLoop]: 6892 mSDtfsCounter, 486 mSDsluCounter, 20446 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 12:49:07,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 27338 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 12:49:07,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9802 states. [2024-12-02 12:49:08,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9802 to 9802. [2024-12-02 12:49:08,315 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) [2024-12-02 12:49:08,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9802 states to 9802 states and 13804 transitions. [2024-12-02 12:49:08,348 INFO L78 Accepts]: Start accepts. Automaton has 9802 states and 13804 transitions. Word has length 233 [2024-12-02 12:49:08,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:08,348 INFO L471 AbstractCegarLoop]: Abstraction has 9802 states and 13804 transitions. [2024-12-02 12:49:08,349 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) [2024-12-02 12:49:08,349 INFO L276 IsEmpty]: Start isEmpty. Operand 9802 states and 13804 transitions. [2024-12-02 12:49:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1240 [2024-12-02 12:49:08,379 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:08,379 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] [2024-12-02 12:49:08,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 12:49:08,380 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)] === [2024-12-02 12:49:08,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1992279587, now seen corresponding path program 1 times [2024-12-02 12:49:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:49:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638911052] [2024-12-02 12:49:08,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:49:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:20,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-12-02 12:49:20,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:49:20,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638911052] [2024-12-02 12:49:20,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638911052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:20,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:20,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:49:20,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798781967] [2024-12-02 12:49:20,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:20,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:49:20,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:49:20,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:49:20,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:49:20,405 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) [2024-12-02 12:49:21,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:21,120 INFO L93 Difference]: Finished difference Result 19583 states and 27578 transitions. [2024-12-02 12:49:21,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:49:21,121 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 [2024-12-02 12:49:21,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:21,147 INFO L225 Difference]: With dead ends: 19583 [2024-12-02 12:49:21,147 INFO L226 Difference]: Without dead ends: 9798 [2024-12-02 12:49:21,164 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 [2024-12-02 12:49:21,165 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 [2024-12-02 12:49:21,165 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] [2024-12-02 12:49:21,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9798 states. [2024-12-02 12:49:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9798 to 9798. [2024-12-02 12:49:21,727 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) [2024-12-02 12:49:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9798 states to 9798 states and 13796 transitions. [2024-12-02 12:49:21,759 INFO L78 Accepts]: Start accepts. Automaton has 9798 states and 13796 transitions. Word has length 1239 [2024-12-02 12:49:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:21,760 INFO L471 AbstractCegarLoop]: Abstraction has 9798 states and 13796 transitions. [2024-12-02 12:49:21,760 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) [2024-12-02 12:49:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 9798 states and 13796 transitions. [2024-12-02 12:49:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1248 [2024-12-02 12:49:21,778 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:21,779 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] [2024-12-02 12:49:21,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 12:49:21,779 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)] === [2024-12-02 12:49:21,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1148375511, now seen corresponding path program 1 times [2024-12-02 12:49:21,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:49:21,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321856196] [2024-12-02 12:49:21,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:21,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:49:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-12-02 12:49:33,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:49:33,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321856196] [2024-12-02 12:49:33,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321856196] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:33,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:33,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:49:33,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590530324] [2024-12-02 12:49:33,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:33,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:49:33,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:49:33,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:49:33,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:49:33,520 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) [2024-12-02 12:49:34,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:34,079 INFO L93 Difference]: Finished difference Result 19575 states and 27562 transitions. [2024-12-02 12:49:34,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:49:34,080 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 [2024-12-02 12:49:34,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:34,114 INFO L225 Difference]: With dead ends: 19575 [2024-12-02 12:49:34,114 INFO L226 Difference]: Without dead ends: 9794 [2024-12-02 12:49:34,142 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 [2024-12-02 12:49:34,143 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 [2024-12-02 12:49:34,143 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] [2024-12-02 12:49:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9794 states. [2024-12-02 12:49:34,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9794 to 9794. [2024-12-02 12:49:34,772 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) [2024-12-02 12:49:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9794 states to 9794 states and 13788 transitions. [2024-12-02 12:49:34,804 INFO L78 Accepts]: Start accepts. Automaton has 9794 states and 13788 transitions. Word has length 1247 [2024-12-02 12:49:34,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:34,804 INFO L471 AbstractCegarLoop]: Abstraction has 9794 states and 13788 transitions. [2024-12-02 12:49:34,804 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) [2024-12-02 12:49:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 9794 states and 13788 transitions. [2024-12-02 12:49:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-12-02 12:49:34,835 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:34,836 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] [2024-12-02 12:49:34,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 12:49:34,836 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)] === [2024-12-02 12:49:34,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:34,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1074602257, now seen corresponding path program 1 times [2024-12-02 12:49:34,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:49:34,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295960718] [2024-12-02 12:49:34,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:34,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:49:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-12-02 12:49:46,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:49:46,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295960718] [2024-12-02 12:49:46,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295960718] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:46,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:46,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:49:46,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963907175] [2024-12-02 12:49:46,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:46,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:49:46,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:49:46,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:49:46,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:46,364 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) [2024-12-02 12:49:46,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:46,914 INFO L93 Difference]: Finished difference Result 19573 states and 27587 transitions. [2024-12-02 12:49:46,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:49:46,914 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 [2024-12-02 12:49:46,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:46,948 INFO L225 Difference]: With dead ends: 19573 [2024-12-02 12:49:46,948 INFO L226 Difference]: Without dead ends: 9796 [2024-12-02 12:49:46,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:46,972 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 [2024-12-02 12:49:46,972 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] [2024-12-02 12:49:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9796 states. [2024-12-02 12:49:47,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9796 to 9796. [2024-12-02 12:49:47,613 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) [2024-12-02 12:49:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9796 states to 9796 states and 13790 transitions. [2024-12-02 12:49:47,643 INFO L78 Accepts]: Start accepts. Automaton has 9796 states and 13790 transitions. Word has length 1281 [2024-12-02 12:49:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:47,644 INFO L471 AbstractCegarLoop]: Abstraction has 9796 states and 13790 transitions. [2024-12-02 12:49:47,644 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) [2024-12-02 12:49:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 9796 states and 13790 transitions. [2024-12-02 12:49:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-12-02 12:49:47,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:47,672 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] [2024-12-02 12:49:47,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 12:49:47,672 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)] === [2024-12-02 12:49:47,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:47,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1641311153, now seen corresponding path program 1 times [2024-12-02 12:49:47,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:49:47,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670278036] [2024-12-02 12:49:47,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:47,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:49:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3979 trivial. 0 not checked. [2024-12-02 12:49:59,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:49:59,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670278036] [2024-12-02 12:49:59,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670278036] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:59,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:59,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:49:59,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619839897] [2024-12-02 12:49:59,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:59,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:49:59,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:49:59,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:49:59,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:59,172 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) [2024-12-02 12:49:59,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:59,682 INFO L93 Difference]: Finished difference Result 19577 states and 27591 transitions. [2024-12-02 12:49:59,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:49:59,683 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 [2024-12-02 12:49:59,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:59,716 INFO L225 Difference]: With dead ends: 19577 [2024-12-02 12:49:59,716 INFO L226 Difference]: Without dead ends: 9798 [2024-12-02 12:49:59,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:59,740 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 [2024-12-02 12:49:59,740 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] [2024-12-02 12:49:59,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9798 states. [2024-12-02 12:50:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9798 to 9798. [2024-12-02 12:50:00,293 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) [2024-12-02 12:50:00,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9798 states to 9798 states and 13792 transitions. [2024-12-02 12:50:00,328 INFO L78 Accepts]: Start accepts. Automaton has 9798 states and 13792 transitions. Word has length 1281 [2024-12-02 12:50:00,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:50:00,329 INFO L471 AbstractCegarLoop]: Abstraction has 9798 states and 13792 transitions. [2024-12-02 12:50:00,329 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) [2024-12-02 12:50:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 9798 states and 13792 transitions. [2024-12-02 12:50:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2024-12-02 12:50:00,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:50:00,355 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] [2024-12-02 12:50:00,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 12:50:00,355 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)] === [2024-12-02 12:50:00,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:50:00,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1075942304, now seen corresponding path program 1 times [2024-12-02 12:50:00,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:50:00,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669999021] [2024-12-02 12:50:00,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:50:00,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:50:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:50:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3973 trivial. 0 not checked. [2024-12-02 12:50:13,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:50:13,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669999021] [2024-12-02 12:50:13,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669999021] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:50:13,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340281448] [2024-12-02 12:50:13,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:50:13,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:50:13,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:50:13,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:50:13,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:50:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:50:29,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 10399 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:50:29,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:50:29,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3979 backedges. 1203 proven. 0 refuted. 0 times theorem prover too weak. 2776 trivial. 0 not checked. [2024-12-02 12:50:29,333 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:50:29,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340281448] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:50:29,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:50:29,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-02 12:50:29,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367447200] [2024-12-02 12:50:29,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:50:29,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:50:29,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:50:29,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:50:29,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:50:29,338 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) [2024-12-02 12:50:30,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:50:30,166 INFO L93 Difference]: Finished difference Result 19617 states and 27721 transitions. [2024-12-02 12:50:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:50:30,167 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 [2024-12-02 12:50:30,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:50:30,205 INFO L225 Difference]: With dead ends: 19617 [2024-12-02 12:50:30,205 INFO L226 Difference]: Without dead ends: 9836 [2024-12-02 12:50:30,228 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 [2024-12-02 12:50:30,228 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 [2024-12-02 12:50:30,228 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] [2024-12-02 12:50:30,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9836 states. [2024-12-02 12:50:30,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9836 to 9800. [2024-12-02 12:50:30,807 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) [2024-12-02 12:50:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9800 states to 9800 states and 13794 transitions. [2024-12-02 12:50:30,845 INFO L78 Accepts]: Start accepts. Automaton has 9800 states and 13794 transitions. Word has length 1281 [2024-12-02 12:50:30,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:50:30,845 INFO L471 AbstractCegarLoop]: Abstraction has 9800 states and 13794 transitions. [2024-12-02 12:50:30,846 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) [2024-12-02 12:50:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 9800 states and 13794 transitions. [2024-12-02 12:50:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2024-12-02 12:50:30,864 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:50:30,865 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] [2024-12-02 12:50:30,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-12-02 12:50:31,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-02 12:50:31,065 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)] === [2024-12-02 12:50:31,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:50:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1685830254, now seen corresponding path program 1 times [2024-12-02 12:50:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:50:31,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525456499] [2024-12-02 12:50:31,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:50:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:50:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:50:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4462 trivial. 0 not checked. [2024-12-02 12:50:42,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:50:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525456499] [2024-12-02 12:50:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525456499] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:50:42,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:50:42,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:50:42,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117160866] [2024-12-02 12:50:42,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:50:42,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:50:42,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:50:42,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:50:42,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:50:42,987 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) [2024-12-02 12:50:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:50:43,600 INFO L93 Difference]: Finished difference Result 19587 states and 27727 transitions. [2024-12-02 12:50:43,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:50:43,600 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 [2024-12-02 12:50:43,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:50:43,635 INFO L225 Difference]: With dead ends: 19587 [2024-12-02 12:50:43,635 INFO L226 Difference]: Without dead ends: 9804 [2024-12-02 12:50:43,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:50:43,657 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 [2024-12-02 12:50:43,657 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] [2024-12-02 12:50:43,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9804 states. [2024-12-02 12:50:44,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9804 to 9804. [2024-12-02 12:50:44,355 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) [2024-12-02 12:50:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9804 states to 9804 states and 13798 transitions. [2024-12-02 12:50:44,394 INFO L78 Accepts]: Start accepts. Automaton has 9804 states and 13798 transitions. Word has length 1323 [2024-12-02 12:50:44,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:50:44,395 INFO L471 AbstractCegarLoop]: Abstraction has 9804 states and 13798 transitions. [2024-12-02 12:50:44,395 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) [2024-12-02 12:50:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 9804 states and 13798 transitions. [2024-12-02 12:50:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1324 [2024-12-02 12:50:44,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:50:44,413 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] [2024-12-02 12:50:44,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 12:50:44,413 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)] === [2024-12-02 12:50:44,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:50:44,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1628386260, now seen corresponding path program 1 times [2024-12-02 12:50:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:50:44,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365544978] [2024-12-02 12:50:44,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:50:44,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:50:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:50:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4432 trivial. 0 not checked. [2024-12-02 12:50:57,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:50:57,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365544978] [2024-12-02 12:50:57,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365544978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:50:57,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:50:57,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 12:50:57,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819217145] [2024-12-02 12:50:57,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:50:57,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:50:57,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:50:57,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:50:57,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:50:57,524 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) [2024-12-02 12:50:58,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:50:58,371 INFO L93 Difference]: Finished difference Result 19615 states and 27650 transitions. [2024-12-02 12:50:58,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:50:58,372 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 [2024-12-02 12:50:58,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:50:58,422 INFO L225 Difference]: With dead ends: 19615 [2024-12-02 12:50:58,422 INFO L226 Difference]: Without dead ends: 9828 [2024-12-02 12:50:58,445 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 [2024-12-02 12:50:58,445 INFO L435 NwaCegarLoop]: 6755 mSDtfsCounter, 8 mSDsluCounter, 33758 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 40513 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:50:58,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 40513 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:50:58,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9828 states. [2024-12-02 12:50:59,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9828 to 9818. [2024-12-02 12:50:59,021 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) [2024-12-02 12:50:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9818 states to 9818 states and 13830 transitions. [2024-12-02 12:50:59,060 INFO L78 Accepts]: Start accepts. Automaton has 9818 states and 13830 transitions. Word has length 1323 [2024-12-02 12:50:59,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:50:59,061 INFO L471 AbstractCegarLoop]: Abstraction has 9818 states and 13830 transitions. [2024-12-02 12:50:59,061 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) [2024-12-02 12:50:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 9818 states and 13830 transitions. [2024-12-02 12:50:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1330 [2024-12-02 12:50:59,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:50:59,079 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] [2024-12-02 12:50:59,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 12:50:59,079 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)] === [2024-12-02 12:50:59,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:50:59,080 INFO L85 PathProgramCache]: Analyzing trace with hash -141637126, now seen corresponding path program 1 times [2024-12-02 12:50:59,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:50:59,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670313847] [2024-12-02 12:50:59,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:50:59,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:51:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:51:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4462 trivial. 0 not checked. [2024-12-02 12:51:11,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:51:11,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670313847] [2024-12-02 12:51:11,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670313847] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:51:11,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:51:11,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:51:11,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938929733] [2024-12-02 12:51:11,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:51:11,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:51:11,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:51:11,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:51:11,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:51:11,404 INFO L87 Difference]: Start difference. First operand 9818 states and 13830 transitions. Second operand has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 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) [2024-12-02 12:51:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:51:12,311 INFO L93 Difference]: Finished difference Result 19631 states and 27654 transitions. [2024-12-02 12:51:12,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:51:12,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 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 1329 [2024-12-02 12:51:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:51:12,351 INFO L225 Difference]: With dead ends: 19631 [2024-12-02 12:51:12,351 INFO L226 Difference]: Without dead ends: 9830 [2024-12-02 12:51:12,373 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 [2024-12-02 12:51:12,374 INFO L435 NwaCegarLoop]: 6748 mSDtfsCounter, 0 mSDsluCounter, 26982 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33730 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:51:12,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33730 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:51:12,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9830 states. [2024-12-02 12:51:12,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9830 to 9830. [2024-12-02 12:51:12,927 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) [2024-12-02 12:51:12,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13844 transitions. [2024-12-02 12:51:12,967 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13844 transitions. Word has length 1329 [2024-12-02 12:51:12,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:51:12,968 INFO L471 AbstractCegarLoop]: Abstraction has 9830 states and 13844 transitions. [2024-12-02 12:51:12,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.16666666666667) internal successors, (451), 6 states have internal predecessors, (451), 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) [2024-12-02 12:51:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13844 transitions. [2024-12-02 12:51:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2024-12-02 12:51:12,985 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:51:12,986 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] [2024-12-02 12:51:12,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 12:51:12,986 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)] === [2024-12-02 12:51:12,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:51:12,986 INFO L85 PathProgramCache]: Analyzing trace with hash -118138052, now seen corresponding path program 1 times [2024-12-02 12:51:12,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:51:12,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612370269] [2024-12-02 12:51:12,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:51:12,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:51:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:51:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4588 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4588 trivial. 0 not checked. [2024-12-02 12:51:26,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:51:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612370269] [2024-12-02 12:51:26,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612370269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:51:26,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:51:26,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:51:26,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967454020] [2024-12-02 12:51:26,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:51:26,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:51:26,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:51:26,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:51:26,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:51:26,226 INFO L87 Difference]: Start difference. First operand 9830 states and 13844 transitions. Second operand has 5 states, 5 states have (on average 89.8) internal successors, (449), 4 states have internal predecessors, (449), 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) [2024-12-02 12:51:27,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:51:27,234 INFO L93 Difference]: Finished difference Result 9835 states and 13847 transitions. [2024-12-02 12:51:27,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:51:27,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 89.8) internal successors, (449), 4 states have internal predecessors, (449), 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 1365 [2024-12-02 12:51:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:51:27,274 INFO L225 Difference]: With dead ends: 9835 [2024-12-02 12:51:27,274 INFO L226 Difference]: Without dead ends: 9833 [2024-12-02 12:51:27,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:51:27,279 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 [2024-12-02 12:51:27,279 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] [2024-12-02 12:51:27,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9833 states. [2024-12-02 12:51:27,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9833 to 9830. [2024-12-02 12:51:27,788 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) [2024-12-02 12:51:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13843 transitions. [2024-12-02 12:51:27,820 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13843 transitions. Word has length 1365 [2024-12-02 12:51:27,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:51:27,821 INFO L471 AbstractCegarLoop]: Abstraction has 9830 states and 13843 transitions. [2024-12-02 12:51:27,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 89.8) internal successors, (449), 4 states have internal predecessors, (449), 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) [2024-12-02 12:51:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13843 transitions. [2024-12-02 12:51:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2024-12-02 12:51:27,846 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:51:27,846 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] [2024-12-02 12:51:27,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 12:51:27,847 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)] === [2024-12-02 12:51:27,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:51:27,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1485130191, now seen corresponding path program 1 times [2024-12-02 12:51:27,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:51:27,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904364507] [2024-12-02 12:51:27,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:51:27,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:51:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:51:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4841 trivial. 0 not checked. [2024-12-02 12:51:40,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:51:40,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904364507] [2024-12-02 12:51:40,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904364507] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:51:40,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:51:40,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:51:40,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025935522] [2024-12-02 12:51:40,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:51:40,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:51:40,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:51:40,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:51:40,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:51:40,906 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) [2024-12-02 12:51:41,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:51:41,780 INFO L93 Difference]: Finished difference Result 19245 states and 27093 transitions. [2024-12-02 12:51:41,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:51:41,781 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 [2024-12-02 12:51:41,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:51:41,832 INFO L225 Difference]: With dead ends: 19245 [2024-12-02 12:51:41,832 INFO L226 Difference]: Without dead ends: 9432 [2024-12-02 12:51:41,860 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 [2024-12-02 12:51:41,861 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 [2024-12-02 12:51:41,861 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] [2024-12-02 12:51:41,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9432 states. [2024-12-02 12:51:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9432 to 9432. [2024-12-02 12:51:42,621 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) [2024-12-02 12:51:42,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9432 states to 9432 states and 13272 transitions. [2024-12-02 12:51:42,675 INFO L78 Accepts]: Start accepts. Automaton has 9432 states and 13272 transitions. Word has length 1415 [2024-12-02 12:51:42,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:51:42,677 INFO L471 AbstractCegarLoop]: Abstraction has 9432 states and 13272 transitions. [2024-12-02 12:51:42,677 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) [2024-12-02 12:51:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 9432 states and 13272 transitions. [2024-12-02 12:51:42,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1416 [2024-12-02 12:51:42,701 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:51:42,702 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] [2024-12-02 12:51:42,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 12:51:42,702 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)] === [2024-12-02 12:51:42,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:51:42,703 INFO L85 PathProgramCache]: Analyzing trace with hash 964469939, now seen corresponding path program 1 times [2024-12-02 12:51:42,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:51:42,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712950483] [2024-12-02 12:51:42,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:51:42,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:51:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:51:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4841 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 4725 trivial. 0 not checked. [2024-12-02 12:51:58,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:51:58,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712950483] [2024-12-02 12:51:58,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712950483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:51:58,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:51:58,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:51:58,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027727600] [2024-12-02 12:51:58,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:51:58,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:51:58,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:51:58,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:51:58,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:51:58,063 INFO L87 Difference]: Start difference. First operand 9432 states and 13272 transitions. Second operand has 8 states, 7 states have (on average 68.14285714285714) internal successors, (477), 6 states have internal predecessors, (477), 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) [2024-12-02 12:52:07,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:07,561 INFO L93 Difference]: Finished difference Result 18852 states and 26528 transitions. [2024-12-02 12:52:07,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:52:07,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 68.14285714285714) internal successors, (477), 6 states have internal predecessors, (477), 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 1415 [2024-12-02 12:52:07,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:07,604 INFO L225 Difference]: With dead ends: 18852 [2024-12-02 12:52:07,604 INFO L226 Difference]: Without dead ends: 9437 [2024-12-02 12:52:07,628 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 [2024-12-02 12:52:07,629 INFO L435 NwaCegarLoop]: 6628 mSDtfsCounter, 2 mSDsluCounter, 39619 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s 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, 8.5s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:07,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 46247 Invalid, 1055 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-12-02 12:52:07,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9437 states. [2024-12-02 12:52:08,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9437 to 9435. [2024-12-02 12:52:08,618 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) [2024-12-02 12:52:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 13276 transitions. [2024-12-02 12:52:08,655 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 13276 transitions. Word has length 1415 [2024-12-02 12:52:08,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:08,656 INFO L471 AbstractCegarLoop]: Abstraction has 9435 states and 13276 transitions. [2024-12-02 12:52:08,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 68.14285714285714) internal successors, (477), 6 states have internal predecessors, (477), 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) [2024-12-02 12:52:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 13276 transitions. [2024-12-02 12:52:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1383 [2024-12-02 12:52:08,674 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:08,675 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, 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] [2024-12-02 12:52:08,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 12:52:08,675 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)] === [2024-12-02 12:52:08,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:08,676 INFO L85 PathProgramCache]: Analyzing trace with hash -763360900, now seen corresponding path program 1 times [2024-12-02 12:52:08,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:08,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820833871] [2024-12-02 12:52:08,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:08,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4718 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4718 trivial. 0 not checked. [2024-12-02 12:52:21,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:21,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820833871] [2024-12-02 12:52:21,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820833871] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:52:21,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:52:21,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:52:21,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133695524] [2024-12-02 12:52:21,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:52:21,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:52:21,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:21,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:52:21,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:52:21,519 INFO L87 Difference]: Start difference. First operand 9435 states and 13276 transitions. Second operand has 5 states, 5 states have (on average 95.2) internal successors, (476), 4 states have internal predecessors, (476), 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) [2024-12-02 12:52:25,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 12:52:27,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:27,046 INFO L93 Difference]: Finished difference Result 9435 states and 13276 transitions. [2024-12-02 12:52:27,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:52:27,046 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 95.2) internal successors, (476), 4 states have internal predecessors, (476), 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 1382 [2024-12-02 12:52:27,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:27,082 INFO L225 Difference]: With dead ends: 9435 [2024-12-02 12:52:27,082 INFO L226 Difference]: Without dead ends: 9433 [2024-12-02 12:52:27,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:52:27,088 INFO L435 NwaCegarLoop]: 12478 mSDtfsCounter, 6693 mSDsluCounter, 30714 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6694 SdHoareTripleChecker+Valid, 43192 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:27,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6694 Valid, 43192 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 12:52:27,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9433 states. [2024-12-02 12:52:27,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9433 to 9433. [2024-12-02 12:52:27,650 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) [2024-12-02 12:52:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9433 states to 9433 states and 13274 transitions. [2024-12-02 12:52:27,684 INFO L78 Accepts]: Start accepts. Automaton has 9433 states and 13274 transitions. Word has length 1382 [2024-12-02 12:52:27,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:27,685 INFO L471 AbstractCegarLoop]: Abstraction has 9433 states and 13274 transitions. [2024-12-02 12:52:27,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.2) internal successors, (476), 4 states have internal predecessors, (476), 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) [2024-12-02 12:52:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 9433 states and 13274 transitions. [2024-12-02 12:52:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1399 [2024-12-02 12:52:27,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:27,707 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, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:52:27,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 12:52:27,707 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)] === [2024-12-02 12:52:27,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -674698902, now seen corresponding path program 1 times [2024-12-02 12:52:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:27,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689609822] [2024-12-02 12:52:27,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:52:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4630 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4598 trivial. 0 not checked. [2024-12-02 12:52:39,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:52:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689609822] [2024-12-02 12:52:39,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689609822] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:52:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472508076] [2024-12-02 12:52:39,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:39,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:52:39,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:52:39,968 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:52:39,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:52:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:52:56,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 10861 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:52:56,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:52:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4630 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 4344 trivial. 0 not checked. [2024-12-02 12:52:57,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:52:57,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472508076] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:52:57,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:52:57,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-12-02 12:52:57,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398800295] [2024-12-02 12:52:57,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:52:57,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:52:57,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:52:57,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:52:57,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:52:57,360 INFO L87 Difference]: Start difference. First operand 9433 states and 13274 transitions. Second operand has 5 states, 5 states have (on average 94.8) internal successors, (474), 5 states have internal predecessors, (474), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 2 states have call predecessors, (134), 2 states have call successors, (134) [2024-12-02 12:52:58,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:52:58,073 INFO L93 Difference]: Finished difference Result 18855 states and 26532 transitions. [2024-12-02 12:52:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:52:58,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 94.8) internal successors, (474), 5 states have internal predecessors, (474), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 2 states have call predecessors, (134), 2 states have call successors, (134) Word has length 1398 [2024-12-02 12:52:58,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:52:58,117 INFO L225 Difference]: With dead ends: 18855 [2024-12-02 12:52:58,117 INFO L226 Difference]: Without dead ends: 9439 [2024-12-02 12:52:58,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1404 GetRequests, 1397 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:52:58,140 INFO L435 NwaCegarLoop]: 6748 mSDtfsCounter, 0 mSDsluCounter, 20237 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26985 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 12:52:58,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26985 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 12:52:58,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9439 states. [2024-12-02 12:52:58,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9439 to 9439. [2024-12-02 12:52:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9439 states, 6962 states have (on average 1.2980465383510484) internal successors, (9037), 7041 states have internal predecessors, (9037), 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) [2024-12-02 12:52:58,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9439 states to 9439 states and 13280 transitions. [2024-12-02 12:52:58,712 INFO L78 Accepts]: Start accepts. Automaton has 9439 states and 13280 transitions. Word has length 1398 [2024-12-02 12:52:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:52:58,712 INFO L471 AbstractCegarLoop]: Abstraction has 9439 states and 13280 transitions. [2024-12-02 12:52:58,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.8) internal successors, (474), 5 states have internal predecessors, (474), 2 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 2 states have call predecessors, (134), 2 states have call successors, (134) [2024-12-02 12:52:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9439 states and 13280 transitions. [2024-12-02 12:52:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1399 [2024-12-02 12:52:58,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:52:58,732 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, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:52:58,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 12:52:58,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-12-02 12:52:58,932 INFO L396 AbstractCegarLoop]: === Iteration 34 === 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)] === [2024-12-02 12:52:58,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:52:58,933 INFO L85 PathProgramCache]: Analyzing trace with hash -501113176, now seen corresponding path program 1 times [2024-12-02 12:52:58,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:52:58,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218910290] [2024-12-02 12:52:58,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:52:58,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:53:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4630 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4598 trivial. 0 not checked. [2024-12-02 12:53:11,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:53:11,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218910290] [2024-12-02 12:53:11,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218910290] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:53:11,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898442221] [2024-12-02 12:53:11,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:11,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:53:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:53:11,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:53:11,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:53:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:27,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 10872 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:53:27,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:53:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4630 backedges. 1016 proven. 0 refuted. 0 times theorem prover too weak. 3614 trivial. 0 not checked. [2024-12-02 12:53:28,252 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:53:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898442221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:28,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:53:28,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-12-02 12:53:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348501756] [2024-12-02 12:53:28,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:28,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:53:28,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:53:28,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:53:28,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:53:28,256 INFO L87 Difference]: Start difference. First operand 9439 states and 13280 transitions. Second operand has 5 states, 5 states have (on average 99.4) internal successors, (497), 4 states have internal predecessors, (497), 2 states have call successors, (136), 2 states have call predecessors, (136), 3 states have return successors, (136), 3 states have call predecessors, (136), 2 states have call successors, (136) [2024-12-02 12:53:29,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:29,122 INFO L93 Difference]: Finished difference Result 18889 states and 26586 transitions. [2024-12-02 12:53:29,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:53:29,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 99.4) internal successors, (497), 4 states have internal predecessors, (497), 2 states have call successors, (136), 2 states have call predecessors, (136), 3 states have return successors, (136), 3 states have call predecessors, (136), 2 states have call successors, (136) Word has length 1398 [2024-12-02 12:53:29,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:29,162 INFO L225 Difference]: With dead ends: 18889 [2024-12-02 12:53:29,162 INFO L226 Difference]: Without dead ends: 9467 [2024-12-02 12:53:29,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1404 GetRequests, 1397 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:53:29,184 INFO L435 NwaCegarLoop]: 6761 mSDtfsCounter, 5 mSDsluCounter, 20245 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 27006 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:53:29,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 27006 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:53:29,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9467 states. [2024-12-02 12:53:29,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9467 to 9447. [2024-12-02 12:53:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9447 states, 6968 states have (on average 1.2977898966704937) internal successors, (9043), 7047 states have internal predecessors, (9043), 2112 states have call successors, (2112), 361 states have call predecessors, (2112), 365 states have return successors, (2143), 2103 states have call predecessors, (2143), 2109 states have call successors, (2143) [2024-12-02 12:53:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9447 states to 9447 states and 13298 transitions. [2024-12-02 12:53:29,733 INFO L78 Accepts]: Start accepts. Automaton has 9447 states and 13298 transitions. Word has length 1398 [2024-12-02 12:53:29,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:29,734 INFO L471 AbstractCegarLoop]: Abstraction has 9447 states and 13298 transitions. [2024-12-02 12:53:29,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 99.4) internal successors, (497), 4 states have internal predecessors, (497), 2 states have call successors, (136), 2 states have call predecessors, (136), 3 states have return successors, (136), 3 states have call predecessors, (136), 2 states have call successors, (136) [2024-12-02 12:53:29,734 INFO L276 IsEmpty]: Start isEmpty. Operand 9447 states and 13298 transitions. [2024-12-02 12:53:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1469 [2024-12-02 12:53:29,803 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:53:29,803 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 28, 28, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:53:29,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:53:30,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f16dc43-ca3c-46eb-bf02-908ec1870be6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-12-02 12:53:30,004 INFO L396 AbstractCegarLoop]: === Iteration 35 === 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)] === [2024-12-02 12:53:30,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:53:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1381849866, now seen corresponding path program 1 times [2024-12-02 12:53:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:53:30,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949318563] [2024-12-02 12:53:30,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:53:30,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:53:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:53:42,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5212 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5186 trivial. 0 not checked. [2024-12-02 12:53:42,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:53:42,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949318563] [2024-12-02 12:53:42,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949318563] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:53:42,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:53:42,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:53:42,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168205340] [2024-12-02 12:53:42,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:53:42,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:53:42,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:53:42,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:53:42,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:53:42,029 INFO L87 Difference]: Start difference. First operand 9447 states and 13298 transitions. Second operand has 6 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 2 states have call predecessors, (141), 2 states have call successors, (141) [2024-12-02 12:53:42,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:53:42,635 INFO L93 Difference]: Finished difference Result 14358 states and 20222 transitions. [2024-12-02 12:53:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:53:42,636 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 2 states have call predecessors, (141), 2 states have call successors, (141) Word has length 1468 [2024-12-02 12:53:42,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:53:42,652 INFO L225 Difference]: With dead ends: 14358 [2024-12-02 12:53:42,652 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:53:42,675 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 [2024-12-02 12:53:42,676 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 [2024-12-02 12:53:42,676 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] [2024-12-02 12:53:42,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:53:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:53:42,677 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) [2024-12-02 12:53:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:53:42,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1468 [2024-12-02 12:53:42,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:53:42,690 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:53:42,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 82.33333333333333) internal successors, (494), 6 states have internal predecessors, (494), 2 states have call successors, (142), 2 states have call predecessors, (142), 1 states have return successors, (141), 2 states have call predecessors, (141), 2 states have call successors, (141) [2024-12-02 12:53:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:53:42,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:53:42,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-12-02 12:53:42,694 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) [2024-12-02 12:53:42,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-12-02 12:53:42,694 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) [2024-12-02 12:53:42,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 12:53:42,696 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, 1, 1] [2024-12-02 12:53:42,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.