./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 a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 08:44:19,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 08:44:19,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 08:44:19,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 08:44:19,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 08:44:19,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 08:44:19,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 08:44:19,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 08:44:19,994 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 08:44:19,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 08:44:19,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 08:44:19,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 08:44:19,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 08:44:19,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 08:44:19,999 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 08:44:20,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 08:44:20,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 08:44:20,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 08:44:20,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 08:44:20,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 08:44:20,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 08:44:20,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 08:44:20,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 08:44:20,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 08:44:20,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 08:44:20,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 08:44:20,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 08:44:20,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 08:44:20,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 08:44:20,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:44:20,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 08:44:20,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 08:44:20,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 08:44:20,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 08:44:20,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 08:44:20,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 08:44:20,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 08:44:20,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 08:44:20,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 08:44:20,010 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc6b3a88723e5b624538f8d0e562bbcbb838c2bd2dcd71ae870bf42dcd3068b [2024-10-13 08:44:20,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 08:44:20,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 08:44:20,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 08:44:20,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 08:44:20,300 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 08:44:20,301 INFO L431 ainManager$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 [2024-10-13 08:44:21,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 08:44:22,412 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 08:44:22,413 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 [2024-10-13 08:44:22,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a898b67f/f7c1bbce3edf435bbf86d437b65b48f3/FLAGd1b4ee7a0 [2024-10-13 08:44:22,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a898b67f/f7c1bbce3edf435bbf86d437b65b48f3 [2024-10-13 08:44:22,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 08:44:22,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 08:44:22,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 08:44:22,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 08:44:22,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 08:44:22,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:44:22" (1/1) ... [2024-10-13 08:44:22,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f933b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:22, skipping insertion in model container [2024-10-13 08:44:22,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:44:22" (1/1) ... [2024-10-13 08:44:23,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 08:44:25,567 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] [2024-10-13 08:44:25,572 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] [2024-10-13 08:44:25,572 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] [2024-10-13 08:44:25,573 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] [2024-10-13 08:44:25,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:44:25,636 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 08:44:25,715 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] [2024-10-13 08:44:25,717 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] [2024-10-13 08:44:25,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5322] [2024-10-13 08:44:25,720 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] [2024-10-13 08:44:25,720 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] [2024-10-13 08:44:25,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5502] [2024-10-13 08:44:25,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5510] [2024-10-13 08:44:25,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5517] [2024-10-13 08:44:25,730 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] [2024-10-13 08:44:25,733 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] [2024-10-13 08:44:25,735 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] [2024-10-13 08:44:25,735 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] [2024-10-13 08:44:25,738 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] [2024-10-13 08:44:25,739 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] [2024-10-13 08:44:25,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6769] [2024-10-13 08:44:25,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7540] [2024-10-13 08:44:25,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7550] [2024-10-13 08:44:25,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7565] [2024-10-13 08:44:25,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8351] [2024-10-13 08:44:25,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8384] [2024-10-13 08:44:25,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8407] [2024-10-13 08:44:25,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8648] [2024-10-13 08:44:25,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8678] [2024-10-13 08:44:25,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8691] [2024-10-13 08:44:26,041 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] [2024-10-13 08:44:26,042 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] [2024-10-13 08:44:26,042 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] [2024-10-13 08:44:26,043 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] [2024-10-13 08:44:26,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 08:44:26,262 INFO L204 MainTranslator]: Completed translation [2024-10-13 08:44:26,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26 WrapperNode [2024-10-13 08:44:26,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 08:44:26,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 08:44:26,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 08:44:26,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 08:44:26,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:26,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:26,537 INFO L138 Inliner]: procedures = 433, calls = 2145, calls flagged for inlining = 207, calls inlined = 190, statements flattened = 6117 [2024-10-13 08:44:26,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 08:44:26,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 08:44:26,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 08:44:26,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 08:44:26,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:26,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:26,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,510 INFO L175 MemorySlicer]: Split 1003 memory accesses to 20 slices as follows [2, 15, 7, 4, 4, 2, 1, 7, 7, 2, 4, 7, 8, 7, 1, 2, 824, 70, 10, 19]. 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, 0, 0, 4, 7, 8, 7, 1, 2, 161, 70, 6, 0]. The 245 writes are split as follows [0, 0, 2, 4, 0, 1, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 223, 0, 1, 11]. [2024-10-13 08:44:27,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 08:44:27,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 08:44:27,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 08:44:27,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 08:44:27,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (1/1) ... [2024-10-13 08:44:27,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 08:44:27,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 08:44:27,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 08:44:27,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 08:44:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-10-13 08:44:27,974 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-10-13 08:44:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-10-13 08:44:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-10-13 08:44:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-13 08:44:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-13 08:44:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-13 08:44:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-13 08:44:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-10-13 08:44:27,975 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-10-13 08:44:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-10-13 08:44:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-10-13 08:44:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-10-13 08:44:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-10-13 08:44:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-13 08:44:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-13 08:44:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-10-13 08:44:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-10-13 08:44:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-13 08:44:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-13 08:44:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-13 08:44:27,977 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-13 08:44:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-13 08:44:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-13 08:44:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-10-13 08:44:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-10-13 08:44:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-13 08:44:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-13 08:44:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-10-13 08:44:27,978 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-10-13 08:44:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-10-13 08:44:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-10-13 08:44:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-10-13 08:44:27,979 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-10-13 08:44:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-10-13 08:44:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-10-13 08:44:27,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-10-13 08:44:27,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-10-13 08:44:27,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-13 08:44:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-13 08:44:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-13 08:44:27,981 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-13 08:44:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-13 08:44:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-13 08:44:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-10-13 08:44:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-10-13 08:44:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-13 08:44:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-13 08:44:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-13 08:44:27,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-13 08:44:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 08:44:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-13 08:44:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-13 08:44:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-10-13 08:44:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-10-13 08:44:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-13 08:44:27,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-13 08:44:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-13 08:44:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-13 08:44:27,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-13 08:44:27,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-13 08:44:27,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-13 08:44:27,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-13 08:44:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 08:44:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 08:44:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 08:44:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 08:44:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 08:44:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 08:44:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-13 08:44:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-13 08:44:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-13 08:44:27,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-13 08:44:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-13 08:44:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-13 08:44:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-13 08:44:27,991 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-13 08:44:27,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-13 08:44:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-13 08:44:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-13 08:44:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-13 08:44:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-13 08:44:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-13 08:44:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-13 08:44:27,992 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-10-13 08:44:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-10-13 08:44:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-10-13 08:44:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-10-13 08:44:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-13 08:44:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-13 08:44:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 08:44:27,993 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-10-13 08:44:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-10-13 08:44:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-10-13 08:44:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-10-13 08:44:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 08:44:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-10-13 08:44:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-10-13 08:44:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-13 08:44:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-13 08:44:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-13 08:44:27,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-13 08:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 08:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 08:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 08:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 08:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 08:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 08:44:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-13 08:44:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-13 08:44:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-13 08:44:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-13 08:44:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-13 08:44:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-13 08:44:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-13 08:44:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-13 08:44:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-13 08:44:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-13 08:44:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-13 08:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-13 08:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-13 08:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-13 08:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-13 08:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-10-13 08:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 08:44:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-10-13 08:44:27,998 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-10-13 08:44:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-10-13 08:44:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-10-13 08:44:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-10-13 08:44:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-10-13 08:44:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-10-13 08:44:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-10-13 08:44:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-10-13 08:44:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-10-13 08:44:28,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-10-13 08:44:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-10-13 08:44:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-10-13 08:44:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-10-13 08:44:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-10-13 08:44:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-10-13 08:44:28,002 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-10-13 08:44:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-10-13 08:44:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-10-13 08:44:28,003 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-10-13 08:44:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-10-13 08:44:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-10-13 08:44:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-10-13 08:44:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-10-13 08:44:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-10-13 08:44:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-10-13 08:44:28,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-10-13 08:44:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-13 08:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-13 08:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-13 08:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-13 08:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-13 08:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-13 08:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-13 08:44:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-13 08:44:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-13 08:44:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-13 08:44:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-13 08:44:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-10-13 08:44:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-10-13 08:44:28,009 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-10-13 08:44:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-13 08:44:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-13 08:44:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-13 08:44:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-13 08:44:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-13 08:44:28,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-13 08:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-13 08:44:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-13 08:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-13 08:44:28,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-13 08:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 08:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 08:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 08:44:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-13 08:44:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-13 08:44:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-13 08:44:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-13 08:44:28,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-13 08:44:28,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-13 08:44:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-10-13 08:44:28,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-13 08:44:28,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-10-13 08:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-13 08:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-13 08:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-13 08:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-10-13 08:44:28,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-10-13 08:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 08:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 08:44:28,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-13 08:44:28,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-13 08:44:28,022 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 08:44:28,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-13 08:44:28,023 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-13 08:44:28,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-10-13 08:44:28,024 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-10-13 08:44:28,024 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-10-13 08:44:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-13 08:44:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-13 08:44:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-10-13 08:44:28,025 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-10-13 08:44:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 08:44:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 08:44:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 08:44:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 08:44:28,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 08:44:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 08:44:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-13 08:44:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-13 08:44:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-13 08:44:28,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-13 08:44:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-10-13 08:44:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2024-10-13 08:44:28,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2024-10-13 08:44:28,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-13 08:44:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-13 08:44:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-10-13 08:44:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-13 08:44:28,032 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-13 08:44:28,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-13 08:44:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-13 08:44:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-10-13 08:44:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-10-13 08:44:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-13 08:44:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-13 08:44:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-13 08:44:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-13 08:44:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-10-13 08:44:28,036 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-10-13 08:44:28,899 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 08:44:28,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 08:44:29,070 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-13 08:44:33,558 INFO L? ?]: Removed 2908 outVars from TransFormulas that were not future-live. [2024-10-13 08:44:33,559 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 08:44:34,006 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 08:44:34,006 INFO L314 CfgBuilder]: Removed 21 assume(true) statements. [2024-10-13 08:44:34,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:44:34 BoogieIcfgContainer [2024-10-13 08:44:34,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 08:44:34,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 08:44:34,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 08:44:34,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 08:44:34,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:44:22" (1/3) ... [2024-10-13 08:44:34,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d03e193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:44:34, skipping insertion in model container [2024-10-13 08:44:34,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:44:26" (2/3) ... [2024-10-13 08:44:34,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d03e193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:44:34, skipping insertion in model container [2024-10-13 08:44:34,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:44:34" (3/3) ... [2024-10-13 08:44:34,017 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-10-13 08:44:34,036 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 08:44:34,036 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-13 08:44:34,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 08:44:34,189 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;@65c93c0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 08:44:34,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-13 08:44:34,206 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) [2024-10-13 08:44:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-13 08:44:34,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:34,216 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] [2024-10-13 08:44:34,217 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)] === [2024-10-13 08:44:34,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:34,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1713592474, now seen corresponding path program 1 times [2024-10-13 08:44:34,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:34,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810411122] [2024-10-13 08:44:34,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:34,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 08:44:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:34,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:34,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 08:44:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:34,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 08:44:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:34,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 08:44:34,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:34,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810411122] [2024-10-13 08:44:34,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810411122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:34,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:34,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 08:44:34,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004855079] [2024-10-13 08:44:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:34,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 08:44:34,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:34,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 08:44:34,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 08:44:34,982 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) [2024-10-13 08:44:36,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:36,517 INFO L93 Difference]: Finished difference Result 4629 states and 7150 transitions. [2024-10-13 08:44:36,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 08:44:36,520 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 [2024-10-13 08:44:36,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:36,557 INFO L225 Difference]: With dead ends: 4629 [2024-10-13 08:44:36,557 INFO L226 Difference]: Without dead ends: 2315 [2024-10-13 08:44:36,582 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 [2024-10-13 08:44:36,586 INFO L432 NwaCegarLoop]: 3293 mSDtfsCounter, 0 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:36,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6586 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 08:44:36,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2024-10-13 08:44:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2315. [2024-10-13 08:44:36,902 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) [2024-10-13 08:44:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 3454 transitions. [2024-10-13 08:44:36,934 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 3454 transitions. Word has length 26 [2024-10-13 08:44:36,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:36,934 INFO L471 AbstractCegarLoop]: Abstraction has 2315 states and 3454 transitions. [2024-10-13 08:44:36,935 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) [2024-10-13 08:44:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3454 transitions. [2024-10-13 08:44:36,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-13 08:44:36,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:36,937 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] [2024-10-13 08:44:36,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 08:44:36,938 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)] === [2024-10-13 08:44:36,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:36,939 INFO L85 PathProgramCache]: Analyzing trace with hash -147488693, now seen corresponding path program 1 times [2024-10-13 08:44:36,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:36,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824737152] [2024-10-13 08:44:36,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:36,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:37,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:37,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:37,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-13 08:44:37,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:37,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824737152] [2024-10-13 08:44:37,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824737152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:37,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:37,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:44:37,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924357199] [2024-10-13 08:44:37,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:37,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:44:37,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:37,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:44:37,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:44:37,495 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) [2024-10-13 08:44:39,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:39,347 INFO L93 Difference]: Finished difference Result 2321 states and 3459 transitions. [2024-10-13 08:44:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:44:39,348 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 [2024-10-13 08:44:39,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:39,370 INFO L225 Difference]: With dead ends: 2321 [2024-10-13 08:44:39,371 INFO L226 Difference]: Without dead ends: 2319 [2024-10-13 08:44:39,374 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 [2024-10-13 08:44:39,376 INFO L432 NwaCegarLoop]: 3277 mSDtfsCounter, 3443 mSDsluCounter, 6540 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:39,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 9817 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 08:44:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-10-13 08:44:39,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2319. [2024-10-13 08:44:39,470 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) [2024-10-13 08:44:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 3457 transitions. [2024-10-13 08:44:39,492 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 3457 transitions. Word has length 37 [2024-10-13 08:44:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:39,493 INFO L471 AbstractCegarLoop]: Abstraction has 2319 states and 3457 transitions. [2024-10-13 08:44:39,493 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) [2024-10-13 08:44:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 3457 transitions. [2024-10-13 08:44:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-13 08:44:39,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:39,495 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] [2024-10-13 08:44:39,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 08:44:39,495 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)] === [2024-10-13 08:44:39,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:39,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1698674815, now seen corresponding path program 1 times [2024-10-13 08:44:39,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:39,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952699623] [2024-10-13 08:44:39,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:39,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 08:44:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-13 08:44:39,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:39,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952699623] [2024-10-13 08:44:39,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952699623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:39,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:39,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:44:39,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312231909] [2024-10-13 08:44:39,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:39,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:44:39,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:39,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:44:39,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:44:39,962 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) [2024-10-13 08:44:41,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:41,719 INFO L93 Difference]: Finished difference Result 2325 states and 3462 transitions. [2024-10-13 08:44:41,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:44:41,720 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 [2024-10-13 08:44:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:41,742 INFO L225 Difference]: With dead ends: 2325 [2024-10-13 08:44:41,743 INFO L226 Difference]: Without dead ends: 2323 [2024-10-13 08:44:41,747 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 [2024-10-13 08:44:41,749 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3439 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:41,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 08:44:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2024-10-13 08:44:41,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2323. [2024-10-13 08:44:41,857 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) [2024-10-13 08:44:41,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3460 transitions. [2024-10-13 08:44:41,875 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3460 transitions. Word has length 42 [2024-10-13 08:44:41,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:41,877 INFO L471 AbstractCegarLoop]: Abstraction has 2323 states and 3460 transitions. [2024-10-13 08:44:41,877 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) [2024-10-13 08:44:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3460 transitions. [2024-10-13 08:44:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-13 08:44:41,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:41,883 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:44:41,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 08:44:41,883 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)] === [2024-10-13 08:44:41,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:41,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2113367116, now seen corresponding path program 1 times [2024-10-13 08:44:41,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:41,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138780089] [2024-10-13 08:44:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:41,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:44:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:44:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:44:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-13 08:44:42,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:42,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138780089] [2024-10-13 08:44:42,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138780089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:42,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:42,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:44:42,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805225722] [2024-10-13 08:44:42,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:42,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:44:42,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:42,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:44:42,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:44:42,363 INFO L87 Difference]: Start difference. First operand 2323 states and 3460 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:44:43,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:43,777 INFO L93 Difference]: Finished difference Result 2329 states and 3465 transitions. [2024-10-13 08:44:43,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:44:43,778 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2024-10-13 08:44:43,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:43,797 INFO L225 Difference]: With dead ends: 2329 [2024-10-13 08:44:43,798 INFO L226 Difference]: Without dead ends: 2327 [2024-10-13 08:44:43,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:44:43,804 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3433 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 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, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:43,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 08:44:43,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2024-10-13 08:44:43,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2327. [2024-10-13 08:44:43,927 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) [2024-10-13 08:44:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 3463 transitions. [2024-10-13 08:44:43,947 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 3463 transitions. Word has length 54 [2024-10-13 08:44:43,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:43,950 INFO L471 AbstractCegarLoop]: Abstraction has 2327 states and 3463 transitions. [2024-10-13 08:44:43,950 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:44:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3463 transitions. [2024-10-13 08:44:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-13 08:44:43,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:43,953 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 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] [2024-10-13 08:44:43,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 08:44:43,953 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)] === [2024-10-13 08:44:43,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:43,954 INFO L85 PathProgramCache]: Analyzing trace with hash 227622273, now seen corresponding path program 1 times [2024-10-13 08:44:43,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:43,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287131206] [2024-10-13 08:44:43,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:43,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 08:44:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 08:44:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:44:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-10-13 08:44:44,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:44,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287131206] [2024-10-13 08:44:44,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287131206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:44,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:44,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:44:44,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361199247] [2024-10-13 08:44:44,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:44,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:44:44,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:44,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:44:44,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:44:44,514 INFO L87 Difference]: Start difference. First operand 2327 states and 3463 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:44:45,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:45,921 INFO L93 Difference]: Finished difference Result 2333 states and 3468 transitions. [2024-10-13 08:44:45,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:44:45,922 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 52 [2024-10-13 08:44:45,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:45,946 INFO L225 Difference]: With dead ends: 2333 [2024-10-13 08:44:45,947 INFO L226 Difference]: Without dead ends: 2331 [2024-10-13 08:44:45,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:44:45,951 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3437 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 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, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:45,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3438 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 08:44:45,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2024-10-13 08:44:46,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 2331. [2024-10-13 08:44:46,119 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) [2024-10-13 08:44:46,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3466 transitions. [2024-10-13 08:44:46,139 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3466 transitions. Word has length 52 [2024-10-13 08:44:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:46,139 INFO L471 AbstractCegarLoop]: Abstraction has 2331 states and 3466 transitions. [2024-10-13 08:44:46,140 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, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 08:44:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3466 transitions. [2024-10-13 08:44:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-13 08:44:46,143 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:46,143 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2024-10-13 08:44:46,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 08:44:46,143 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)] === [2024-10-13 08:44:46,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash -474089332, now seen corresponding path program 1 times [2024-10-13 08:44:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:46,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957374773] [2024-10-13 08:44:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:44:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:44:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:44:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:44:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:44:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-10-13 08:44:46,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:46,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957374773] [2024-10-13 08:44:46,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957374773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:46,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:46,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:44:46,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358459049] [2024-10-13 08:44:46,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:46,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:44:46,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:46,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:44:46,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:44:46,637 INFO L87 Difference]: Start difference. First operand 2331 states and 3466 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, (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) [2024-10-13 08:44:48,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 08:44:49,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:49,307 INFO L93 Difference]: Finished difference Result 2385 states and 3520 transitions. [2024-10-13 08:44:49,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:44:49,307 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, (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 64 [2024-10-13 08:44:49,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:49,328 INFO L225 Difference]: With dead ends: 2385 [2024-10-13 08:44:49,328 INFO L226 Difference]: Without dead ends: 2383 [2024-10-13 08:44:49,332 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 [2024-10-13 08:44:49,333 INFO L432 NwaCegarLoop]: 3282 mSDtfsCounter, 975 mSDsluCounter, 8971 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 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, 2.4s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:49,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 12253 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-13 08:44:49,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-10-13 08:44:49,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2383. [2024-10-13 08:44:49,501 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) [2024-10-13 08:44:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 3518 transitions. [2024-10-13 08:44:49,521 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 3518 transitions. Word has length 64 [2024-10-13 08:44:49,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:49,522 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 3518 transitions. [2024-10-13 08:44:49,522 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, (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) [2024-10-13 08:44:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 3518 transitions. [2024-10-13 08:44:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-13 08:44:49,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:49,523 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 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] [2024-10-13 08:44:49,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 08:44:49,523 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)] === [2024-10-13 08:44:49,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:49,524 INFO L85 PathProgramCache]: Analyzing trace with hash 2015506144, now seen corresponding path program 1 times [2024-10-13 08:44:49,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:49,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47555293] [2024-10-13 08:44:49,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:49,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:44:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:44:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:44:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:44:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:44:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 08:44:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-13 08:44:49,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:49,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47555293] [2024-10-13 08:44:49,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47555293] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:49,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:49,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:44:49,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488674023] [2024-10-13 08:44:49,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:49,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:44:49,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:49,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:44:49,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:44:49,919 INFO L87 Difference]: Start difference. First operand 2383 states and 3518 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-13 08:44:52,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:52,259 INFO L93 Difference]: Finished difference Result 2389 states and 3523 transitions. [2024-10-13 08:44:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:44:52,260 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 69 [2024-10-13 08:44:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:52,278 INFO L225 Difference]: With dead ends: 2389 [2024-10-13 08:44:52,279 INFO L226 Difference]: Without dead ends: 2387 [2024-10-13 08:44:52,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:44:52,283 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3430 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 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, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:52,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 08:44:52,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-10-13 08:44:52,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-10-13 08:44:52,419 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) [2024-10-13 08:44:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3521 transitions. [2024-10-13 08:44:52,436 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3521 transitions. Word has length 69 [2024-10-13 08:44:52,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:52,437 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3521 transitions. [2024-10-13 08:44:52,437 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-13 08:44:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3521 transitions. [2024-10-13 08:44:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-13 08:44:52,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:52,439 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] [2024-10-13 08:44:52,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 08:44:52,439 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)] === [2024-10-13 08:44:52,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:52,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1218190132, now seen corresponding path program 1 times [2024-10-13 08:44:52,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:52,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586482192] [2024-10-13 08:44:52,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:52,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:44:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:44:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:44:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:44:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:44:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 08:44:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 08:44:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-13 08:44:52,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:52,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586482192] [2024-10-13 08:44:52,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586482192] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:52,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:52,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:44:52,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520228645] [2024-10-13 08:44:52,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:52,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:44:52,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:52,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:44:52,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:44:52,795 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) [2024-10-13 08:44:55,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:44:55,144 INFO L93 Difference]: Finished difference Result 2393 states and 3526 transitions. [2024-10-13 08:44:55,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:44:55,145 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 [2024-10-13 08:44:55,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:44:55,161 INFO L225 Difference]: With dead ends: 2393 [2024-10-13 08:44:55,161 INFO L226 Difference]: Without dead ends: 2391 [2024-10-13 08:44:55,164 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 [2024-10-13 08:44:55,166 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3429 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 08:44:55,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 08:44:55,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2024-10-13 08:44:55,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2391. [2024-10-13 08:44:55,316 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) [2024-10-13 08:44:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3524 transitions. [2024-10-13 08:44:55,332 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3524 transitions. Word has length 74 [2024-10-13 08:44:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:44:55,333 INFO L471 AbstractCegarLoop]: Abstraction has 2391 states and 3524 transitions. [2024-10-13 08:44:55,334 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) [2024-10-13 08:44:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3524 transitions. [2024-10-13 08:44:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-13 08:44:55,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:44:55,335 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] [2024-10-13 08:44:55,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 08:44:55,335 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)] === [2024-10-13 08:44:55,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:44:55,336 INFO L85 PathProgramCache]: Analyzing trace with hash 2133057254, now seen corresponding path program 1 times [2024-10-13 08:44:55,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:44:55,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142793853] [2024-10-13 08:44:55,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:44:55,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:44:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:44:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:44:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:44:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:44:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:44:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:44:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 08:44:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:44:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 08:44:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 08:44:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:44:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:44:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 08:44:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 08:44:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:44:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-13 08:44:55,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:44:55,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142793853] [2024-10-13 08:44:55,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142793853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:44:55,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:44:55,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 08:44:55,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016238317] [2024-10-13 08:44:55,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:44:55,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 08:44:55,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:44:55,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 08:44:55,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 08:44:55,914 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) [2024-10-13 08:45:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:01,940 INFO L93 Difference]: Finished difference Result 2412 states and 3561 transitions. [2024-10-13 08:45:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 08:45:01,941 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 [2024-10-13 08:45:01,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:01,969 INFO L225 Difference]: With dead ends: 2412 [2024-10-13 08:45:01,969 INFO L226 Difference]: Without dead ends: 2410 [2024-10-13 08:45:01,972 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 [2024-10-13 08:45:01,974 INFO L432 NwaCegarLoop]: 2171 mSDtfsCounter, 1780 mSDsluCounter, 6268 mSDsCounter, 0 mSdLazyCounter, 6304 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2039 SdHoareTripleChecker+Valid, 8439 SdHoareTripleChecker+Invalid, 6910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 6304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-10-13 08:45:01,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2039 Valid, 8439 Invalid, 6910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [606 Valid, 6304 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-10-13 08:45:01,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2024-10-13 08:45:02,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2389. [2024-10-13 08:45:02,122 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) [2024-10-13 08:45:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3522 transitions. [2024-10-13 08:45:02,137 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3522 transitions. Word has length 84 [2024-10-13 08:45:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:02,138 INFO L471 AbstractCegarLoop]: Abstraction has 2389 states and 3522 transitions. [2024-10-13 08:45:02,139 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) [2024-10-13 08:45:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3522 transitions. [2024-10-13 08:45:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-13 08:45:02,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:45:02,140 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 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] [2024-10-13 08:45:02,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 08:45:02,140 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)] === [2024-10-13 08:45:02,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:45:02,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1220549152, now seen corresponding path program 1 times [2024-10-13 08:45:02,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:45:02,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626346725] [2024-10-13 08:45:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:45:02,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:45:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:45:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:45:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:45:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:45:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:45:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:45:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:45:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:45:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:45:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:45:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 08:45:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 08:45:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 08:45:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-10-13 08:45:02,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:45:02,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626346725] [2024-10-13 08:45:02,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626346725] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:45:02,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:45:02,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:45:02,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742108865] [2024-10-13 08:45:02,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:45:02,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:45:02,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:45:02,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:45:02,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:45:02,510 INFO L87 Difference]: Start difference. First operand 2389 states and 3522 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, (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) [2024-10-13 08:45:04,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:04,696 INFO L93 Difference]: Finished difference Result 2395 states and 3527 transitions. [2024-10-13 08:45:04,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:45:04,697 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, (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 79 [2024-10-13 08:45:04,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:04,716 INFO L225 Difference]: With dead ends: 2395 [2024-10-13 08:45:04,717 INFO L226 Difference]: Without dead ends: 2393 [2024-10-13 08:45:04,720 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 [2024-10-13 08:45:04,720 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3426 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3427 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, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 08:45:04,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3427 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 08:45:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2024-10-13 08:45:04,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2393. [2024-10-13 08:45:04,907 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) [2024-10-13 08:45:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3525 transitions. [2024-10-13 08:45:04,921 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3525 transitions. Word has length 79 [2024-10-13 08:45:04,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:04,921 INFO L471 AbstractCegarLoop]: Abstraction has 2393 states and 3525 transitions. [2024-10-13 08:45:04,921 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, (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) [2024-10-13 08:45:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3525 transitions. [2024-10-13 08:45:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-13 08:45:04,922 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:45:04,923 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] [2024-10-13 08:45:04,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 08:45:04,923 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)] === [2024-10-13 08:45:04,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:45:04,924 INFO L85 PathProgramCache]: Analyzing trace with hash 164169291, now seen corresponding path program 1 times [2024-10-13 08:45:04,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:45:04,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119285118] [2024-10-13 08:45:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:45:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:45:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:45:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:45:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:45:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:45:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:45:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 08:45:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 08:45:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:45:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 08:45:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 08:45:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 08:45:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 08:45:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 08:45:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-10-13 08:45:05,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:45:05,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119285118] [2024-10-13 08:45:05,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119285118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:45:05,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:45:05,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:45:05,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750434164] [2024-10-13 08:45:05,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:45:05,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:45:05,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:45:05,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:45:05,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:45:05,265 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) [2024-10-13 08:45:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:06,709 INFO L93 Difference]: Finished difference Result 2399 states and 3530 transitions. [2024-10-13 08:45:06,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:45:06,709 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 [2024-10-13 08:45:06,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:06,733 INFO L225 Difference]: With dead ends: 2399 [2024-10-13 08:45:06,733 INFO L226 Difference]: Without dead ends: 2397 [2024-10-13 08:45:06,738 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 [2024-10-13 08:45:06,739 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3430 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 08:45:06,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 08:45:06,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-10-13 08:45:06,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2397. [2024-10-13 08:45:06,894 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) [2024-10-13 08:45:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 3528 transitions. [2024-10-13 08:45:06,907 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 3528 transitions. Word has length 77 [2024-10-13 08:45:06,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:06,908 INFO L471 AbstractCegarLoop]: Abstraction has 2397 states and 3528 transitions. [2024-10-13 08:45:06,908 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) [2024-10-13 08:45:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 3528 transitions. [2024-10-13 08:45:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-13 08:45:06,911 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:45:06,912 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] [2024-10-13 08:45:06,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 08:45:06,912 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)] === [2024-10-13 08:45:06,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:45:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash 80913760, now seen corresponding path program 1 times [2024-10-13 08:45:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:45:06,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119437101] [2024-10-13 08:45:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:45:06,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:45:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:45:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:45:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:45:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:45:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:45:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:45:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:45:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:45:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:45:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:45:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 08:45:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 08:45:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 08:45:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:45:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 08:45:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-10-13 08:45:07,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:45:07,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119437101] [2024-10-13 08:45:07,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119437101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:45:07,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:45:07,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:45:07,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225422097] [2024-10-13 08:45:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:45:07,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:45:07,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:45:07,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:45:07,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:45:07,348 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) [2024-10-13 08:45:09,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:09,342 INFO L93 Difference]: Finished difference Result 2403 states and 3533 transitions. [2024-10-13 08:45:09,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:45:09,343 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 [2024-10-13 08:45:09,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:09,359 INFO L225 Difference]: With dead ends: 2403 [2024-10-13 08:45:09,360 INFO L226 Difference]: Without dead ends: 2401 [2024-10-13 08:45:09,362 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 [2024-10-13 08:45:09,362 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3424 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 08:45:09,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 08:45:09,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2024-10-13 08:45:09,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2401. [2024-10-13 08:45:09,532 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) [2024-10-13 08:45:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3531 transitions. [2024-10-13 08:45:09,546 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3531 transitions. Word has length 89 [2024-10-13 08:45:09,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:09,546 INFO L471 AbstractCegarLoop]: Abstraction has 2401 states and 3531 transitions. [2024-10-13 08:45:09,546 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) [2024-10-13 08:45:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3531 transitions. [2024-10-13 08:45:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-13 08:45:09,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:45:09,548 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] [2024-10-13 08:45:09,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 08:45:09,549 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)] === [2024-10-13 08:45:09,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:45:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash -814883508, now seen corresponding path program 1 times [2024-10-13 08:45:09,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:45:09,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164407894] [2024-10-13 08:45:09,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:45:09,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:45:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:45:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:45:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:45:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:45:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:45:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:45:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:45:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:45:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:45:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:45:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 08:45:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 08:45:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 08:45:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:45:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 08:45:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:45:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-10-13 08:45:09,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:45:09,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164407894] [2024-10-13 08:45:09,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164407894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:45:09,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:45:09,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:45:09,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808668682] [2024-10-13 08:45:09,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:45:09,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:45:09,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:45:09,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:45:09,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:45:09,876 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) [2024-10-13 08:45:12,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:12,361 INFO L93 Difference]: Finished difference Result 2407 states and 3536 transitions. [2024-10-13 08:45:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:45:12,362 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 [2024-10-13 08:45:12,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:12,380 INFO L225 Difference]: With dead ends: 2407 [2024-10-13 08:45:12,382 INFO L226 Difference]: Without dead ends: 2405 [2024-10-13 08:45:12,385 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 [2024-10-13 08:45:12,385 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3423 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.3s IncrementalHoareTripleChecker+Time [2024-10-13 08:45:12,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3424 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-13 08:45:12,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2024-10-13 08:45:12,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2405. [2024-10-13 08:45:12,595 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) [2024-10-13 08:45:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3534 transitions. [2024-10-13 08:45:12,609 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3534 transitions. Word has length 94 [2024-10-13 08:45:12,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:12,610 INFO L471 AbstractCegarLoop]: Abstraction has 2405 states and 3534 transitions. [2024-10-13 08:45:12,610 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) [2024-10-13 08:45:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3534 transitions. [2024-10-13 08:45:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-13 08:45:12,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:45:12,612 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 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] [2024-10-13 08:45:12,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 08:45:12,612 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)] === [2024-10-13 08:45:12,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:45:12,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1038420607, now seen corresponding path program 1 times [2024-10-13 08:45:12,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:45:12,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350725886] [2024-10-13 08:45:12,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:45:12,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:45:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:45:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:45:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:45:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:45:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:45:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 08:45:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 08:45:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-13 08:45:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-13 08:45:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 08:45:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 08:45:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 08:45:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 08:45:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 08:45:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 08:45:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 08:45:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-10-13 08:45:12,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:45:12,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350725886] [2024-10-13 08:45:12,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350725886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:45:12,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:45:12,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:45:12,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777753003] [2024-10-13 08:45:12,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:45:12,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:45:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:45:12,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:45:12,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:45:12,942 INFO L87 Difference]: Start difference. First operand 2405 states and 3534 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, (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) [2024-10-13 08:45:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:14,560 INFO L93 Difference]: Finished difference Result 2411 states and 3539 transitions. [2024-10-13 08:45:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:45:14,560 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, (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 92 [2024-10-13 08:45:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:14,570 INFO L225 Difference]: With dead ends: 2411 [2024-10-13 08:45:14,570 INFO L226 Difference]: Without dead ends: 2407 [2024-10-13 08:45:14,571 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 [2024-10-13 08:45:14,571 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3427 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3428 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, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 08:45:14,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3428 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 08:45:14,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2024-10-13 08:45:14,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 2407. [2024-10-13 08:45:14,727 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) [2024-10-13 08:45:14,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3535 transitions. [2024-10-13 08:45:14,739 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3535 transitions. Word has length 92 [2024-10-13 08:45:14,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:14,740 INFO L471 AbstractCegarLoop]: Abstraction has 2407 states and 3535 transitions. [2024-10-13 08:45:14,740 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, (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) [2024-10-13 08:45:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3535 transitions. [2024-10-13 08:45:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-13 08:45:14,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:45:14,742 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:45:14,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 08:45:14,743 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)] === [2024-10-13 08:45:14,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:45:14,743 INFO L85 PathProgramCache]: Analyzing trace with hash -698226292, now seen corresponding path program 1 times [2024-10-13 08:45:14,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:45:14,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635830050] [2024-10-13 08:45:14,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:45:14,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:45:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:45:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:45:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:45:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:45:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:45:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:45:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 08:45:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 08:45:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 08:45:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 08:45:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 08:45:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 08:45:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 08:45:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-13 08:45:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 08:45:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 08:45:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 08:45:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 08:45:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-10-13 08:45:15,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:45:15,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635830050] [2024-10-13 08:45:15,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635830050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:45:15,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:45:15,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 08:45:15,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546330986] [2024-10-13 08:45:15,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:45:15,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 08:45:15,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:45:15,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 08:45:15,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 08:45:15,097 INFO L87 Difference]: Start difference. First operand 2407 states and 3535 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 08:45:16,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:16,671 INFO L93 Difference]: Finished difference Result 2407 states and 3535 transitions. [2024-10-13 08:45:16,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 08:45:16,671 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 104 [2024-10-13 08:45:16,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:16,678 INFO L225 Difference]: With dead ends: 2407 [2024-10-13 08:45:16,679 INFO L226 Difference]: Without dead ends: 2334 [2024-10-13 08:45:16,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:45:16,680 INFO L432 NwaCegarLoop]: 3276 mSDtfsCounter, 3418 mSDsluCounter, 6535 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3418 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 [2024-10-13 08:45:16,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3418 Valid, 9811 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 08:45:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2024-10-13 08:45:16,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2334. [2024-10-13 08:45:16,838 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) [2024-10-13 08:45:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3456 transitions. [2024-10-13 08:45:16,849 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3456 transitions. Word has length 104 [2024-10-13 08:45:16,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:16,850 INFO L471 AbstractCegarLoop]: Abstraction has 2334 states and 3456 transitions. [2024-10-13 08:45:16,850 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 08:45:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3456 transitions. [2024-10-13 08:45:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-13 08:45:16,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 08:45:16,852 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] [2024-10-13 08:45:16,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 08:45:16,852 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)] === [2024-10-13 08:45:16,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 08:45:16,852 INFO L85 PathProgramCache]: Analyzing trace with hash 545891101, now seen corresponding path program 1 times [2024-10-13 08:45:16,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 08:45:16,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797944581] [2024-10-13 08:45:16,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 08:45:16,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 08:45:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 08:45:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 08:45:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 08:45:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 08:45:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-13 08:45:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 08:45:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 08:45:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:45:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 08:45:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 08:45:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:45:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 08:45:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 08:45:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 08:45:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 08:45:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-13 08:45:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 08:45:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 08:45:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 08:45:17,346 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-10-13 08:45:17,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 08:45:17,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797944581] [2024-10-13 08:45:17,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797944581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 08:45:17,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 08:45:17,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 08:45:17,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25562963] [2024-10-13 08:45:17,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 08:45:17,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 08:45:17,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 08:45:17,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 08:45:17,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 08:45:17,349 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) [2024-10-13 08:45:24,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 08:45:24,492 INFO L93 Difference]: Finished difference Result 2357 states and 3496 transitions. [2024-10-13 08:45:24,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 08:45:24,493 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 [2024-10-13 08:45:24,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 08:45:24,495 INFO L225 Difference]: With dead ends: 2357 [2024-10-13 08:45:24,495 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 08:45:24,505 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 [2024-10-13 08:45:24,506 INFO L432 NwaCegarLoop]: 1602 mSDtfsCounter, 3644 mSDsluCounter, 5784 mSDsCounter, 0 mSdLazyCounter, 7310 mSolverCounterSat, 2146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 7386 SdHoareTripleChecker+Invalid, 9456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2146 IncrementalHoareTripleChecker+Valid, 7310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-10-13 08:45:24,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 7386 Invalid, 9456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2146 Valid, 7310 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-10-13 08:45:24,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 08:45:24,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 08:45:24,506 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) [2024-10-13 08:45:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 08:45:24,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2024-10-13 08:45:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 08:45:24,508 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 08:45:24,508 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) [2024-10-13 08:45:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 08:45:24,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 08:45:24,511 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-13 08:45:24,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-13 08:45:24,512 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) [2024-10-13 08:45:24,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 08:45:24,514 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 08:45:24,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.