./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --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 3bc6b3a88723e5b624538f8d0e562bbcbb838c2bd2dcd71ae870bf42dcd3068b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:02:12,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:02:12,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 16:02:12,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:02:12,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:02:12,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:02:12,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:02:12,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:02:12,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 16:02:12,771 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 16:02:12,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:02:12,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:02:12,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:02:12,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:02:12,775 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:02:12,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:02:12,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:02:12,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:02:12,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:02:12,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:02:12,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:02:12,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:02:12,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:02:12,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:02:12,782 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:02:12,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:02:12,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:02:12,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 16:02:12,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:02:12,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:02:12,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:02:12,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:02:12,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:02:12,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:02:12,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:02:12,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:02:12,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:02:12,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:02:12,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:02:12,786 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc6b3a88723e5b624538f8d0e562bbcbb838c2bd2dcd71ae870bf42dcd3068b [2024-10-11 16:02:13,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:02:13,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:02:13,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:02:13,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:02:13,069 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:02:13,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-10-11 16:02:14,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:02:15,022 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:02:15,023 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-10-11 16:02:15,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c723ea983/5a7041bafff948a088a039ea369d0c8c/FLAGe77f7f892 [2024-10-11 16:02:15,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/c723ea983/5a7041bafff948a088a039ea369d0c8c [2024-10-11 16:02:15,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:02:15,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:02:15,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:02:15,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:02:15,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:02:15,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:02:15" (1/1) ... [2024-10-11 16:02:15,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b20f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:15, skipping insertion in model container [2024-10-11 16:02:15,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:02:15" (1/1) ... [2024-10-11 16:02:15,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:02:18,033 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339479,339492] [2024-10-11 16:02:18,037 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339648,339661] [2024-10-11 16:02:18,038 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339815,339828] [2024-10-11 16:02:18,038 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339983,339996] [2024-10-11 16:02:18,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:02:18,089 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:02:18,236 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"); [5308] [2024-10-11 16:02:18,239 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)); [5315] [2024-10-11 16:02:18,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5322] [2024-10-11 16:02:18,242 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)); [5377-5378] [2024-10-11 16:02:18,242 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"); [5383-5385] [2024-10-11 16:02:18,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5502] [2024-10-11 16:02:18,247 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5510] [2024-10-11 16:02:18,248 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5517] [2024-10-11 16:02:18,254 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)); [5645-5646] [2024-10-11 16:02:18,256 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)); [5679-5680] [2024-10-11 16:02:18,260 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)); [5720-5721] [2024-10-11 16:02:18,261 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)); [5749-5750] [2024-10-11 16:02:18,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5786-5787] [2024-10-11 16:02:18,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5823-5824] [2024-10-11 16:02:18,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6769] [2024-10-11 16:02:18,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7540] [2024-10-11 16:02:18,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7550] [2024-10-11 16:02:18,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7565] [2024-10-11 16:02:18,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8351] [2024-10-11 16:02:18,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8384] [2024-10-11 16:02:18,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8407] [2024-10-11 16:02:18,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8648] [2024-10-11 16:02:18,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8678] [2024-10-11 16:02:18,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8691] [2024-10-11 16:02:18,506 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339479,339492] [2024-10-11 16:02:18,507 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339648,339661] [2024-10-11 16:02:18,507 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339815,339828] [2024-10-11 16:02:18,508 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[339983,339996] [2024-10-11 16:02:18,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:02:18,671 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:02:18,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18 WrapperNode [2024-10-11 16:02:18,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:02:18,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:02:18,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:02:18,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:02:18,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:18,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:19,027 INFO L138 Inliner]: procedures = 433, calls = 2145, calls flagged for inlining = 207, calls inlined = 190, statements flattened = 6117 [2024-10-11 16:02:19,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:02:19,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:02:19,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:02:19,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:02:19,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:19,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:19,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,039 INFO L175 MemorySlicer]: Split 1003 memory accesses to 20 slices as follows [1, 15, 7, 4, 4, 19, 2, 7, 824, 4, 2, 2, 7, 8, 7, 1, 2, 70, 10, 7]. 82 percent of accesses are in the largest equivalence class. The 292 initializations are split as follows [0, 15, 0, 0, 4, 0, 0, 7, 161, 4, 0, 0, 7, 8, 7, 1, 2, 70, 6, 0]. The 245 writes are split as follows [0, 0, 2, 4, 0, 11, 0, 0, 223, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 2]. [2024-10-11 16:02:20,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:02:20,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:02:20,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:02:20,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:02:20,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (1/1) ... [2024-10-11 16:02:20,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:02:20,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:02:20,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 16:02:20,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 16:02:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-10-11 16:02:20,422 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-10-11 16:02:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-10-11 16:02:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-10-11 16:02:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-11 16:02:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-11 16:02:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 16:02:20,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 16:02:20,423 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-10-11 16:02:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-10-11 16:02:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-10-11 16:02:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-10-11 16:02:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-10-11 16:02:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-10-11 16:02:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 16:02:20,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 16:02:20,424 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-10-11 16:02:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-10-11 16:02:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 16:02:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 16:02:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-11 16:02:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-11 16:02:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 16:02:20,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 16:02:20,425 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-10-11 16:02:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-10-11 16:02:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-11 16:02:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-11 16:02:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-10-11 16:02:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-10-11 16:02:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-10-11 16:02:20,426 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-10-11 16:02:20,426 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-10-11 16:02:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-10-11 16:02:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-10-11 16:02:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-10-11 16:02:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-10-11 16:02:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-10-11 16:02:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-11 16:02:20,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-11 16:02:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-11 16:02:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-11 16:02:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-11 16:02:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-11 16:02:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-10-11 16:02:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-10-11 16:02:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-11 16:02:20,428 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-11 16:02:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-11 16:02:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-11 16:02:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 16:02:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-11 16:02:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-11 16:02:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-10-11 16:02:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-10-11 16:02:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 16:02:20,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-11 16:02:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-11 16:02:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-10-11 16:02:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 16:02:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 16:02:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 16:02:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 16:02:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 16:02:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 16:02:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 16:02:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-11 16:02:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-11 16:02:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-11 16:02:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 16:02:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 16:02:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 16:02:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 16:02:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 16:02:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 16:02:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 16:02:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-11 16:02:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-11 16:02:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-11 16:02:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-11 16:02:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-10-11 16:02:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-10-11 16:02:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-10-11 16:02:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-10-11 16:02:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 16:02:20,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 16:02:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 16:02:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-10-11 16:02:20,438 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-10-11 16:02:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-10-11 16:02:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-10-11 16:02:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:02:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-10-11 16:02:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-10-11 16:02:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 16:02:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 16:02:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 16:02:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 16:02:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 16:02:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 16:02:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 16:02:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 16:02:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-11 16:02:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-11 16:02:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 16:02:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 16:02:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 16:02:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 16:02:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-11 16:02:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-11 16:02:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-11 16:02:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-11 16:02:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-11 16:02:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-11 16:02:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-11 16:02:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-11 16:02:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-11 16:02:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-11 16:02:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-11 16:02:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-10-11 16:02:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:02:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-10-11 16:02:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-10-11 16:02:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-10-11 16:02:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-10-11 16:02:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-10-11 16:02:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-10-11 16:02:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-10-11 16:02:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-10-11 16:02:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-10-11 16:02:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-10-11 16:02:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-10-11 16:02:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-10-11 16:02:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-10-11 16:02:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-10-11 16:02:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-10-11 16:02:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-10-11 16:02:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-10-11 16:02:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 16:02:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 16:02:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 16:02:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 16:02:20,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-11 16:02:20,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-10-11 16:02:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-10-11 16:02:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 16:02:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-11 16:02:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-11 16:02:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-11 16:02:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-11 16:02:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 16:02:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 16:02:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-11 16:02:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-11 16:02:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 16:02:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 16:02:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-11 16:02:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-11 16:02:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-11 16:02:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-11 16:02:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 16:02:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 16:02:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 16:02:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-11 16:02:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-11 16:02:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-10-11 16:02:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 16:02:20,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-11 16:02:20,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-11 16:02:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-10-11 16:02:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-10-11 16:02:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 16:02:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 16:02:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-11 16:02:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-11 16:02:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-11 16:02:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-11 16:02:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-10-11 16:02:20,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 16:02:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 16:02:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 16:02:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 16:02:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 16:02:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 16:02:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 16:02:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 16:02:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 16:02:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 16:02:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 16:02:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-11 16:02:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-11 16:02:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-11 16:02:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-11 16:02:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 16:02:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 16:02:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 16:02:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 16:02:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 16:02:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 16:02:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 16:02:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 16:02:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 16:02:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 16:02:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-11 16:02:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-11 16:02:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 16:02:20,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 16:02:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 16:02:20,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 16:02:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-10-11 16:02:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-10-11 16:02:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-11 16:02:20,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-11 16:02:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-11 16:02:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-11 16:02:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-11 16:02:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-11 16:02:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-10-11 16:02:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-10-11 16:02:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2024-10-11 16:02:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2024-10-11 16:02:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-10-11 16:02:20,468 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-10-11 16:02:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-10-11 16:02:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 16:02:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-10-11 16:02:20,469 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 16:02:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 16:02:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 16:02:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 16:02:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-11 16:02:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 16:02:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 16:02:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-10-11 16:02:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-10-11 16:02:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2024-10-11 16:02:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2024-10-11 16:02:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-11 16:02:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-11 16:02:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-11 16:02:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-11 16:02:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-10-11 16:02:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-10-11 16:02:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 16:02:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 16:02:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 16:02:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 16:02:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 16:02:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 16:02:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 16:02:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 16:02:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 16:02:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 16:02:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 16:02:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 16:02:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 16:02:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 16:02:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-11 16:02:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-10-11 16:02:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-10-11 16:02:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-11 16:02:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-11 16:02:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-11 16:02:20,480 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-11 16:02:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-10-11 16:02:20,481 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-10-11 16:02:21,405 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:02:21,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:02:21,603 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 16:02:26,348 INFO L? ?]: Removed 2908 outVars from TransFormulas that were not future-live. [2024-10-11 16:02:26,349 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:02:26,763 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:02:26,763 INFO L314 CfgBuilder]: Removed 21 assume(true) statements. [2024-10-11 16:02:26,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:02:26 BoogieIcfgContainer [2024-10-11 16:02:26,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:02:26,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:02:26,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:02:26,770 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:02:26,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:02:15" (1/3) ... [2024-10-11 16:02:26,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8b5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:02:26, skipping insertion in model container [2024-10-11 16:02:26,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:02:18" (2/3) ... [2024-10-11 16:02:26,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8b5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:02:26, skipping insertion in model container [2024-10-11 16:02:26,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:02:26" (3/3) ... [2024-10-11 16:02:26,772 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-10-11 16:02:26,791 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:02:26,791 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 16:02:26,927 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:02:26,933 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;@22925e56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:02:26,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-11 16:02:26,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 2326 states, 1630 states have (on average 1.4202453987730062) internal successors, (2315), 1673 states have internal predecessors, (2315), 604 states have call successors, (604), 89 states have call predecessors, (604), 88 states have return successors, (600), 589 states have call predecessors, (600), 600 states have call successors, (600) [2024-10-11 16:02:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 16:02:26,958 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:26,959 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:02:26,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:26,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:26,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1713592474, now seen corresponding path program 1 times [2024-10-11 16:02:26,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:26,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735588548] [2024-10-11 16:02:26,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:26,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 16:02:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:27,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 16:02:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 16:02:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 16:02:27,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:27,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735588548] [2024-10-11 16:02:27,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735588548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:27,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:27,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 16:02:27,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518243817] [2024-10-11 16:02:27,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:27,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:02:27,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:27,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:02:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:02:27,679 INFO L87 Difference]: Start difference. First operand has 2326 states, 1630 states have (on average 1.4202453987730062) internal successors, (2315), 1673 states have internal predecessors, (2315), 604 states have call successors, (604), 89 states have call predecessors, (604), 88 states have return successors, (600), 589 states have call predecessors, (600), 600 states have call successors, (600) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 16:02:29,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 16:02:29,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:29,935 INFO L93 Difference]: Finished difference Result 4629 states and 7150 transitions. [2024-10-11 16:02:29,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:02:29,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-10-11 16:02:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:29,979 INFO L225 Difference]: With dead ends: 4629 [2024-10-11 16:02:29,980 INFO L226 Difference]: Without dead ends: 2315 [2024-10-11 16:02:30,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:02:30,014 INFO L432 NwaCegarLoop]: 3293 mSDtfsCounter, 0 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6586 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:30,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6586 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 16:02:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2024-10-11 16:02:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2315. [2024-10-11 16:02:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 1625 states have (on average 1.388923076923077) internal successors, (2257), 1667 states have internal predecessors, (2257), 600 states have call successors, (600), 88 states have call predecessors, (600), 87 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2024-10-11 16:02:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 3454 transitions. [2024-10-11 16:02:30,242 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 3454 transitions. Word has length 26 [2024-10-11 16:02:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:30,243 INFO L471 AbstractCegarLoop]: Abstraction has 2315 states and 3454 transitions. [2024-10-11 16:02:30,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 16:02:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3454 transitions. [2024-10-11 16:02:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-11 16:02:30,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:30,245 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-10-11 16:02:30,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:02:30,246 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:30,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:30,247 INFO L85 PathProgramCache]: Analyzing trace with hash -147488693, now seen corresponding path program 1 times [2024-10-11 16:02:30,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:30,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949387760] [2024-10-11 16:02:30,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:30,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:30,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:30,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:30,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:30,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:30,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 16:02:30,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:30,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949387760] [2024-10-11 16:02:30,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949387760] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:30,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:30,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:30,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36063516] [2024-10-11 16:02:30,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:30,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:30,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:30,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:30,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:30,720 INFO L87 Difference]: Start difference. First operand 2315 states and 3454 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-11 16:02:32,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:32,819 INFO L93 Difference]: Finished difference Result 2321 states and 3459 transitions. [2024-10-11 16:02:32,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:32,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 37 [2024-10-11 16:02:32,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:32,843 INFO L225 Difference]: With dead ends: 2321 [2024-10-11 16:02:32,843 INFO L226 Difference]: Without dead ends: 2319 [2024-10-11 16:02:32,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:32,846 INFO L432 NwaCegarLoop]: 3277 mSDtfsCounter, 3443 mSDsluCounter, 6540 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 9817 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:32,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 9817 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 16:02:32,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-10-11 16:02:32,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2319. [2024-10-11 16:02:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2319 states, 1628 states have (on average 1.3882063882063882) internal successors, (2260), 1670 states have internal predecessors, (2260), 600 states have call successors, (600), 89 states have call predecessors, (600), 88 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2024-10-11 16:02:32,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 3457 transitions. [2024-10-11 16:02:32,958 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 3457 transitions. Word has length 37 [2024-10-11 16:02:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:32,959 INFO L471 AbstractCegarLoop]: Abstraction has 2319 states and 3457 transitions. [2024-10-11 16:02:32,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-11 16:02:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 3457 transitions. [2024-10-11 16:02:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-11 16:02:32,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:32,961 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-11 16:02:32,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:02:32,962 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:32,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:32,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1698674815, now seen corresponding path program 1 times [2024-10-11 16:02:32,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:32,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979942501] [2024-10-11 16:02:32,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:32,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 16:02:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:33,452 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 16:02:33,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:33,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979942501] [2024-10-11 16:02:33,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979942501] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:33,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:33,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:33,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243652277] [2024-10-11 16:02:33,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:33,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:33,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:33,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:33,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:33,456 INFO L87 Difference]: Start difference. First operand 2319 states and 3457 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:36,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:36,087 INFO L93 Difference]: Finished difference Result 2325 states and 3462 transitions. [2024-10-11 16:02:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:36,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 42 [2024-10-11 16:02:36,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:36,106 INFO L225 Difference]: With dead ends: 2325 [2024-10-11 16:02:36,106 INFO L226 Difference]: Without dead ends: 2323 [2024-10-11 16:02:36,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:36,112 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3439 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3440 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:36,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 16:02:36,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2024-10-11 16:02:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2323. [2024-10-11 16:02:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 1631 states have (on average 1.38749233599019) internal successors, (2263), 1673 states have internal predecessors, (2263), 600 states have call successors, (600), 90 states have call predecessors, (600), 89 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2024-10-11 16:02:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3460 transitions. [2024-10-11 16:02:36,225 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3460 transitions. Word has length 42 [2024-10-11 16:02:36,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:36,226 INFO L471 AbstractCegarLoop]: Abstraction has 2323 states and 3460 transitions. [2024-10-11 16:02:36,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3460 transitions. [2024-10-11 16:02:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 16:02:36,227 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:36,228 INFO L215 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] [2024-10-11 16:02:36,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 16:02:36,228 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:36,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:36,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1910724149, now seen corresponding path program 1 times [2024-10-11 16:02:36,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:36,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027655424] [2024-10-11 16:02:36,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:36,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 16:02:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 16:02:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-11 16:02:36,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:36,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027655424] [2024-10-11 16:02:36,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027655424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:36,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:36,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:36,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087643567] [2024-10-11 16:02:36,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:36,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:36,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:36,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:36,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:36,637 INFO L87 Difference]: Start difference. First operand 2323 states and 3460 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:38,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 16:02:38,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:38,923 INFO L93 Difference]: Finished difference Result 2329 states and 3465 transitions. [2024-10-11 16:02:38,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:38,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 47 [2024-10-11 16:02:38,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:38,939 INFO L225 Difference]: With dead ends: 2329 [2024-10-11 16:02:38,939 INFO L226 Difference]: Without dead ends: 2327 [2024-10-11 16:02:38,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:38,945 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3438 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:38,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3439 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 16:02:38,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2024-10-11 16:02:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2327. [2024-10-11 16:02:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 1634 states have (on average 1.386780905752754) internal successors, (2266), 1676 states have internal predecessors, (2266), 600 states have call successors, (600), 91 states have call predecessors, (600), 90 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2024-10-11 16:02:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 3463 transitions. [2024-10-11 16:02:39,058 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 3463 transitions. Word has length 47 [2024-10-11 16:02:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:39,060 INFO L471 AbstractCegarLoop]: Abstraction has 2327 states and 3463 transitions. [2024-10-11 16:02:39,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3463 transitions. [2024-10-11 16:02:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-11 16:02:39,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:39,066 INFO L215 NwaCegarLoop]: trace histogram [4, 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] [2024-10-11 16:02:39,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 16:02:39,066 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:39,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:39,066 INFO L85 PathProgramCache]: Analyzing trace with hash -566172768, now seen corresponding path program 1 times [2024-10-11 16:02:39,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:39,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303717184] [2024-10-11 16:02:39,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:39,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 16:02:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 16:02:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 16:02:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 16:02:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-11 16:02:39,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:39,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303717184] [2024-10-11 16:02:39,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303717184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:39,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:39,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:39,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725858110] [2024-10-11 16:02:39,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:39,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:39,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:39,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:39,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:39,442 INFO L87 Difference]: Start difference. First operand 2327 states and 3463 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:02:41,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:41,047 INFO L93 Difference]: Finished difference Result 2333 states and 3468 transitions. [2024-10-11 16:02:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:41,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 59 [2024-10-11 16:02:41,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:41,063 INFO L225 Difference]: With dead ends: 2333 [2024-10-11 16:02:41,064 INFO L226 Difference]: Without dead ends: 2331 [2024-10-11 16:02:41,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:41,066 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3432 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3433 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:41,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3433 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 16:02:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2024-10-11 16:02:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 2331. [2024-10-11 16:02:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2331 states, 1637 states have (on average 1.3860720830788027) internal successors, (2269), 1679 states have internal predecessors, (2269), 600 states have call successors, (600), 92 states have call predecessors, (600), 91 states have return successors, (597), 586 states have call predecessors, (597), 597 states have call successors, (597) [2024-10-11 16:02:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3466 transitions. [2024-10-11 16:02:41,183 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3466 transitions. Word has length 59 [2024-10-11 16:02:41,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:41,183 INFO L471 AbstractCegarLoop]: Abstraction has 2331 states and 3466 transitions. [2024-10-11 16:02:41,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:02:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3466 transitions. [2024-10-11 16:02:41,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-11 16:02:41,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:41,187 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 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] [2024-10-11 16:02:41,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 16:02:41,187 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:41,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:41,187 INFO L85 PathProgramCache]: Analyzing trace with hash 632267595, now seen corresponding path program 1 times [2024-10-11 16:02:41,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:41,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753946342] [2024-10-11 16:02:41,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:41,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 16:02:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 16:02:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 16:02:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 16:02:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-11 16:02:41,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:41,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753946342] [2024-10-11 16:02:41,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753946342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:41,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:41,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155663220] [2024-10-11 16:02:41,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:41,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:41,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:41,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:41,571 INFO L87 Difference]: Start difference. First operand 2331 states and 3466 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:42,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 16:02:43,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:43,490 INFO L93 Difference]: Finished difference Result 2385 states and 3520 transitions. [2024-10-11 16:02:43,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:43,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 57 [2024-10-11 16:02:43,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:43,508 INFO L225 Difference]: With dead ends: 2385 [2024-10-11 16:02:43,508 INFO L226 Difference]: Without dead ends: 2383 [2024-10-11 16:02:43,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:43,510 INFO L432 NwaCegarLoop]: 3282 mSDtfsCounter, 980 mSDsluCounter, 8971 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 12253 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:43,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 12253 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 16:02:43,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-10-11 16:02:43,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2383. [2024-10-11 16:02:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 1670 states have (on average 1.3826347305389222) internal successors, (2309), 1712 states have internal predecessors, (2309), 606 states have call successors, (606), 105 states have call predecessors, (606), 104 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:02:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 3518 transitions. [2024-10-11 16:02:43,687 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 3518 transitions. Word has length 57 [2024-10-11 16:02:43,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:43,688 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 3518 transitions. [2024-10-11 16:02:43,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 3518 transitions. [2024-10-11 16:02:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-11 16:02:43,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:43,689 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 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] [2024-10-11 16:02:43,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 16:02:43,690 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:43,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:43,690 INFO L85 PathProgramCache]: Analyzing trace with hash 580412289, now seen corresponding path program 1 times [2024-10-11 16:02:43,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:43,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028631297] [2024-10-11 16:02:43,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:43,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 16:02:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 16:02:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 16:02:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 16:02:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 16:02:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-11 16:02:44,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:44,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028631297] [2024-10-11 16:02:44,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028631297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:44,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:44,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:44,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578783944] [2024-10-11 16:02:44,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:44,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:44,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:44,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:44,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:44,070 INFO L87 Difference]: Start difference. First operand 2383 states and 3518 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:46,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:46,283 INFO L93 Difference]: Finished difference Result 2389 states and 3523 transitions. [2024-10-11 16:02:46,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:46,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 62 [2024-10-11 16:02:46,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:46,301 INFO L225 Difference]: With dead ends: 2389 [2024-10-11 16:02:46,302 INFO L226 Difference]: Without dead ends: 2387 [2024-10-11 16:02:46,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:46,304 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3435 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:46,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3436 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 16:02:46,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-10-11 16:02:46,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-10-11 16:02:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 1673 states have (on average 1.3819485953377166) internal successors, (2312), 1715 states have internal predecessors, (2312), 606 states have call successors, (606), 106 states have call predecessors, (606), 105 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:02:46,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3521 transitions. [2024-10-11 16:02:46,438 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3521 transitions. Word has length 62 [2024-10-11 16:02:46,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:46,438 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3521 transitions. [2024-10-11 16:02:46,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:02:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3521 transitions. [2024-10-11 16:02:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-11 16:02:46,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:46,443 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 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] [2024-10-11 16:02:46,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 16:02:46,443 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:46,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:46,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1218190132, now seen corresponding path program 1 times [2024-10-11 16:02:46,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:46,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645394206] [2024-10-11 16:02:46,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:46,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 16:02:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 16:02:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 16:02:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 16:02:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 16:02:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 16:02:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 16:02:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-11 16:02:46,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:46,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645394206] [2024-10-11 16:02:46,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645394206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:46,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:46,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:46,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005832268] [2024-10-11 16:02:46,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:46,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:46,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:46,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:46,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:46,864 INFO L87 Difference]: Start difference. First operand 2387 states and 3521 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 16:02:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:48,426 INFO L93 Difference]: Finished difference Result 2393 states and 3526 transitions. [2024-10-11 16:02:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:48,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 74 [2024-10-11 16:02:48,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:48,442 INFO L225 Difference]: With dead ends: 2393 [2024-10-11 16:02:48,443 INFO L226 Difference]: Without dead ends: 2391 [2024-10-11 16:02:48,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:48,445 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3429 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:48,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 16:02:48,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2024-10-11 16:02:48,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2391. [2024-10-11 16:02:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2391 states, 1676 states have (on average 1.3812649164677804) internal successors, (2315), 1718 states have internal predecessors, (2315), 606 states have call successors, (606), 107 states have call predecessors, (606), 106 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:02:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3524 transitions. [2024-10-11 16:02:48,578 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3524 transitions. Word has length 74 [2024-10-11 16:02:48,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:48,578 INFO L471 AbstractCegarLoop]: Abstraction has 2391 states and 3524 transitions. [2024-10-11 16:02:48,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 16:02:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3524 transitions. [2024-10-11 16:02:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-11 16:02:48,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:48,581 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 3, 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] [2024-10-11 16:02:48,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 16:02:48,581 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:48,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:48,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2133057254, now seen corresponding path program 1 times [2024-10-11 16:02:48,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:48,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061178715] [2024-10-11 16:02:48,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:48,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 16:02:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 16:02:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 16:02:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 16:02:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 16:02:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 16:02:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 16:02:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 16:02:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-11 16:02:49,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:49,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061178715] [2024-10-11 16:02:49,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061178715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:49,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:49,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 16:02:49,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445268008] [2024-10-11 16:02:49,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:49,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 16:02:49,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:49,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 16:02:49,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 16:02:49,127 INFO L87 Difference]: Start difference. First operand 2391 states and 3524 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 16:02:55,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:55,815 INFO L93 Difference]: Finished difference Result 2412 states and 3561 transitions. [2024-10-11 16:02:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 16:02:55,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-10-11 16:02:55,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:55,830 INFO L225 Difference]: With dead ends: 2412 [2024-10-11 16:02:55,830 INFO L226 Difference]: Without dead ends: 2410 [2024-10-11 16:02:55,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 16:02:55,832 INFO L432 NwaCegarLoop]: 2170 mSDtfsCounter, 1780 mSDsluCounter, 6264 mSDsCounter, 0 mSdLazyCounter, 6304 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2039 SdHoareTripleChecker+Valid, 8434 SdHoareTripleChecker+Invalid, 6910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 6304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:55,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2039 Valid, 8434 Invalid, 6910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 6304 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2024-10-11 16:02:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2024-10-11 16:02:55,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2389. [2024-10-11 16:02:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 1675 states have (on average 1.3808955223880597) internal successors, (2313), 1716 states have internal predecessors, (2313), 606 states have call successors, (606), 107 states have call predecessors, (606), 106 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:02:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3522 transitions. [2024-10-11 16:02:55,969 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3522 transitions. Word has length 84 [2024-10-11 16:02:55,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:55,970 INFO L471 AbstractCegarLoop]: Abstraction has 2389 states and 3522 transitions. [2024-10-11 16:02:55,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 16:02:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3522 transitions. [2024-10-11 16:02:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 16:02:55,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:55,971 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 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] [2024-10-11 16:02:55,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 16:02:55,971 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:55,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:55,972 INFO L85 PathProgramCache]: Analyzing trace with hash -270943871, now seen corresponding path program 1 times [2024-10-11 16:02:55,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:55,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362248932] [2024-10-11 16:02:55,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 16:02:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 16:02:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 16:02:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 16:02:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 16:02:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 16:02:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 16:02:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-11 16:02:56,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:56,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362248932] [2024-10-11 16:02:56,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362248932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:56,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:56,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:56,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525471490] [2024-10-11 16:02:56,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:56,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:56,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:56,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:56,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:56,305 INFO L87 Difference]: Start difference. First operand 2389 states and 3522 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 16:02:57,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:02:57,751 INFO L93 Difference]: Finished difference Result 2395 states and 3527 transitions. [2024-10-11 16:02:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:02:57,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2024-10-11 16:02:57,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:02:57,763 INFO L225 Difference]: With dead ends: 2395 [2024-10-11 16:02:57,764 INFO L226 Difference]: Without dead ends: 2393 [2024-10-11 16:02:57,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:02:57,765 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3431 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 16:02:57,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 16:02:57,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2024-10-11 16:02:57,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2393. [2024-10-11 16:02:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2393 states, 1678 states have (on average 1.3802145411203814) internal successors, (2316), 1719 states have internal predecessors, (2316), 606 states have call successors, (606), 108 states have call predecessors, (606), 107 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:02:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3525 transitions. [2024-10-11 16:02:57,903 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3525 transitions. Word has length 72 [2024-10-11 16:02:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:02:57,904 INFO L471 AbstractCegarLoop]: Abstraction has 2393 states and 3525 transitions. [2024-10-11 16:02:57,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 16:02:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3525 transitions. [2024-10-11 16:02:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-11 16:02:57,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:02:57,905 INFO L215 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 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] [2024-10-11 16:02:57,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 16:02:57,906 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:02:57,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:02:57,906 INFO L85 PathProgramCache]: Analyzing trace with hash 164169291, now seen corresponding path program 1 times [2024-10-11 16:02:57,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:02:57,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755757378] [2024-10-11 16:02:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:02:57,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:02:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:02:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:02:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:02:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:02:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:02:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:02:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 16:02:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 16:02:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 16:02:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 16:02:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 16:02:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 16:02:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 16:02:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 16:02:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:02:58,221 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-10-11 16:02:58,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:02:58,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755757378] [2024-10-11 16:02:58,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755757378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:02:58,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:02:58,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:02:58,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638387056] [2024-10-11 16:02:58,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:02:58,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:02:58,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:02:58,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:02:58,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:02:58,222 INFO L87 Difference]: Start difference. First operand 2393 states and 3525 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:03:00,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:03:00,825 INFO L93 Difference]: Finished difference Result 2399 states and 3530 transitions. [2024-10-11 16:03:00,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:03:00,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 77 [2024-10-11 16:03:00,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:03:00,869 INFO L225 Difference]: With dead ends: 2399 [2024-10-11 16:03:00,869 INFO L226 Difference]: Without dead ends: 2397 [2024-10-11 16:03:00,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:03:00,872 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3430 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:03:00,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-11 16:03:00,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-10-11 16:03:01,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2397. [2024-10-11 16:03:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2397 states, 1681 states have (on average 1.379535990481856) internal successors, (2319), 1722 states have internal predecessors, (2319), 606 states have call successors, (606), 109 states have call predecessors, (606), 108 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:03:01,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 3528 transitions. [2024-10-11 16:03:01,131 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 3528 transitions. Word has length 77 [2024-10-11 16:03:01,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:03:01,132 INFO L471 AbstractCegarLoop]: Abstraction has 2397 states and 3528 transitions. [2024-10-11 16:03:01,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:03:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 3528 transitions. [2024-10-11 16:03:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 16:03:01,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:03:01,134 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 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] [2024-10-11 16:03:01,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 16:03:01,134 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:03:01,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:03:01,135 INFO L85 PathProgramCache]: Analyzing trace with hash 80913760, now seen corresponding path program 1 times [2024-10-11 16:03:01,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:03:01,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079808689] [2024-10-11 16:03:01,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:03:01,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:03:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:03:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:03:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:03:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:03:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:03:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 16:03:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 16:03:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 16:03:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 16:03:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 16:03:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 16:03:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 16:03:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 16:03:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 16:03:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 16:03:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-10-11 16:03:01,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:03:01,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079808689] [2024-10-11 16:03:01,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079808689] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:03:01,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:03:01,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:03:01,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677978899] [2024-10-11 16:03:01,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:03:01,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:03:01,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:03:01,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:03:01,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:03:01,617 INFO L87 Difference]: Start difference. First operand 2397 states and 3528 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:03:03,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:03:03,138 INFO L93 Difference]: Finished difference Result 2403 states and 3533 transitions. [2024-10-11 16:03:03,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:03:03,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 89 [2024-10-11 16:03:03,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:03:03,150 INFO L225 Difference]: With dead ends: 2403 [2024-10-11 16:03:03,150 INFO L226 Difference]: Without dead ends: 2401 [2024-10-11 16:03:03,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:03:03,152 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3424 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:03:03,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 16:03:03,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2024-10-11 16:03:03,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2401. [2024-10-11 16:03:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2401 states, 1684 states have (on average 1.3788598574821853) internal successors, (2322), 1725 states have internal predecessors, (2322), 606 states have call successors, (606), 110 states have call predecessors, (606), 109 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:03:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3531 transitions. [2024-10-11 16:03:03,300 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3531 transitions. Word has length 89 [2024-10-11 16:03:03,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:03:03,301 INFO L471 AbstractCegarLoop]: Abstraction has 2401 states and 3531 transitions. [2024-10-11 16:03:03,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:03:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3531 transitions. [2024-10-11 16:03:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-11 16:03:03,305 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:03:03,305 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 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] [2024-10-11 16:03:03,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 16:03:03,305 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:03:03,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:03:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash -814883508, now seen corresponding path program 1 times [2024-10-11 16:03:03,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:03:03,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264019270] [2024-10-11 16:03:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:03:03,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:03:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:03:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:03:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:03:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:03:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:03:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 16:03:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 16:03:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 16:03:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 16:03:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 16:03:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 16:03:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 16:03:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 16:03:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 16:03:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 16:03:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 16:03:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-10-11 16:03:03,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:03:03,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264019270] [2024-10-11 16:03:03,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264019270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:03:03,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:03:03,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:03:03,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419730097] [2024-10-11 16:03:03,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:03:03,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:03:03,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:03:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:03:03,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:03:03,642 INFO L87 Difference]: Start difference. First operand 2401 states and 3531 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:03:05,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:03:05,065 INFO L93 Difference]: Finished difference Result 2407 states and 3536 transitions. [2024-10-11 16:03:05,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:03:05,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 94 [2024-10-11 16:03:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:03:05,074 INFO L225 Difference]: With dead ends: 2407 [2024-10-11 16:03:05,074 INFO L226 Difference]: Without dead ends: 2405 [2024-10-11 16:03:05,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:03:05,075 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3423 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3424 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 16:03:05,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3424 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 16:03:05,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2024-10-11 16:03:05,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2405. [2024-10-11 16:03:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 1687 states have (on average 1.3781861292234736) internal successors, (2325), 1728 states have internal predecessors, (2325), 606 states have call successors, (606), 111 states have call predecessors, (606), 110 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:03:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3534 transitions. [2024-10-11 16:03:05,230 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3534 transitions. Word has length 94 [2024-10-11 16:03:05,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:03:05,231 INFO L471 AbstractCegarLoop]: Abstraction has 2405 states and 3534 transitions. [2024-10-11 16:03:05,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:03:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3534 transitions. [2024-10-11 16:03:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 16:03:05,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:03:05,234 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 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] [2024-10-11 16:03:05,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 16:03:05,234 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:03:05,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:03:05,235 INFO L85 PathProgramCache]: Analyzing trace with hash -619589472, now seen corresponding path program 1 times [2024-10-11 16:03:05,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:03:05,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66335595] [2024-10-11 16:03:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:03:05,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:03:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:03:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:03:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:03:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:03:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:03:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 16:03:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 16:03:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 16:03:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-11 16:03:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 16:03:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 16:03:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 16:03:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 16:03:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 16:03:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 16:03:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 16:03:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 16:03:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-10-11 16:03:05,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:03:05,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66335595] [2024-10-11 16:03:05,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66335595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:03:05,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:03:05,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:03:05,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164851921] [2024-10-11 16:03:05,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:03:05,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:03:05,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:03:05,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:03:05,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:03:05,562 INFO L87 Difference]: Start difference. First operand 2405 states and 3534 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:03:06,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:03:06,436 INFO L93 Difference]: Finished difference Result 2411 states and 3539 transitions. [2024-10-11 16:03:06,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:03:06,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 99 [2024-10-11 16:03:06,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:03:06,447 INFO L225 Difference]: With dead ends: 2411 [2024-10-11 16:03:06,447 INFO L226 Difference]: Without dead ends: 2407 [2024-10-11 16:03:06,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:03:06,448 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3422 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 16:03:06,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 16:03:06,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2024-10-11 16:03:06,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 2407. [2024-10-11 16:03:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2407 states, 1689 states have (on average 1.3771462403789225) internal successors, (2326), 1729 states have internal predecessors, (2326), 606 states have call successors, (606), 112 states have call predecessors, (606), 110 states have return successors, (603), 592 states have call predecessors, (603), 603 states have call successors, (603) [2024-10-11 16:03:06,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3535 transitions. [2024-10-11 16:03:06,658 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3535 transitions. Word has length 99 [2024-10-11 16:03:06,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:03:06,659 INFO L471 AbstractCegarLoop]: Abstraction has 2407 states and 3535 transitions. [2024-10-11 16:03:06,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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) [2024-10-11 16:03:06,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3535 transitions. [2024-10-11 16:03:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 16:03:06,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:03:06,660 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 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] [2024-10-11 16:03:06,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 16:03:06,661 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_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:03:06,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:03:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash -614356661, now seen corresponding path program 1 times [2024-10-11 16:03:06,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:03:06,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770255019] [2024-10-11 16:03:06,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:03:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:03:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:03:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:03:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:03:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:03:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:03:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 16:03:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-11 16:03:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 16:03:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-11 16:03:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 16:03:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 16:03:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 16:03:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 16:03:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 16:03:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 16:03:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 16:03:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 16:03:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-10-11 16:03:06,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:03:06,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770255019] [2024-10-11 16:03:06,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770255019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:03:06,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:03:06,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 16:03:06,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890706912] [2024-10-11 16:03:06,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:03:06,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 16:03:06,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:03:06,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 16:03:06,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 16:03:06,955 INFO L87 Difference]: Start difference. First operand 2407 states and 3535 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:03:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:03:08,463 INFO L93 Difference]: Finished difference Result 2407 states and 3535 transitions. [2024-10-11 16:03:08,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:03:08,464 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 97 [2024-10-11 16:03:08,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:03:08,472 INFO L225 Difference]: With dead ends: 2407 [2024-10-11 16:03:08,472 INFO L226 Difference]: Without dead ends: 2334 [2024-10-11 16:03:08,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:03:08,474 INFO L432 NwaCegarLoop]: 3276 mSDtfsCounter, 3423 mSDsluCounter, 6535 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 9811 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 16:03:08,474 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 9811 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 16:03:08,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2024-10-11 16:03:08,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2334. [2024-10-11 16:03:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 1646 states have (on average 1.3845686512758202) internal successors, (2279), 1685 states have internal predecessors, (2279), 589 states have call successors, (589), 98 states have call predecessors, (589), 98 states have return successors, (588), 577 states have call predecessors, (588), 588 states have call successors, (588) [2024-10-11 16:03:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3456 transitions. [2024-10-11 16:03:08,643 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3456 transitions. Word has length 97 [2024-10-11 16:03:08,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:03:08,644 INFO L471 AbstractCegarLoop]: Abstraction has 2334 states and 3456 transitions. [2024-10-11 16:03:08,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-10-11 16:03:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3456 transitions. [2024-10-11 16:03:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-11 16:03:08,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 16:03:08,646 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 3, 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] [2024-10-11 16:03:08,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 16:03:08,646 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 16:03:08,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:03:08,646 INFO L85 PathProgramCache]: Analyzing trace with hash 545891101, now seen corresponding path program 1 times [2024-10-11 16:03:08,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:03:08,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855022666] [2024-10-11 16:03:08,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:03:08,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:03:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 16:03:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 16:03:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 16:03:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 16:03:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 16:03:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-11 16:03:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-11 16:03:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 16:03:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 16:03:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-11 16:03:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 16:03:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 16:03:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 16:03:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 16:03:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 16:03:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-11 16:03:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 16:03:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 16:03:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:03:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-10-11 16:03:09,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:03:09,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855022666] [2024-10-11 16:03:09,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855022666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:03:09,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:03:09,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 16:03:09,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945956095] [2024-10-11 16:03:09,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:03:09,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 16:03:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:03:09,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 16:03:09,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 16:03:09,225 INFO L87 Difference]: Start difference. First operand 2334 states and 3456 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-11 16:03:17,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 16:03:17,127 INFO L93 Difference]: Finished difference Result 2357 states and 3496 transitions. [2024-10-11 16:03:17,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 16:03:17,127 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 111 [2024-10-11 16:03:17,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 16:03:17,129 INFO L225 Difference]: With dead ends: 2357 [2024-10-11 16:03:17,129 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 16:03:17,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-10-11 16:03:17,143 INFO L432 NwaCegarLoop]: 1602 mSDtfsCounter, 3644 mSDsluCounter, 5784 mSDsCounter, 0 mSdLazyCounter, 7305 mSolverCounterSat, 2146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3829 SdHoareTripleChecker+Valid, 7386 SdHoareTripleChecker+Invalid, 9451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2146 IncrementalHoareTripleChecker+Valid, 7305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-10-11 16:03:17,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3829 Valid, 7386 Invalid, 9451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2146 Valid, 7305 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-10-11 16:03:17,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 16:03:17,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 16:03:17,145 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) [2024-10-11 16:03:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 16:03:17,146 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2024-10-11 16:03:17,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 16:03:17,146 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 16:03:17,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2024-10-11 16:03:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 16:03:17,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 16:03:17,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-11 16:03:17,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-11 16:03:17,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-10-11 16:03:17,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 16:03:17,154 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:03:17,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.