./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 4a390ef5 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-dev-4a390ef-m [2024-10-24 14:21:26,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:21:26,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:21:26,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:21:26,983 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:21:27,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:21:27,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:21:27,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:21:27,014 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:21:27,016 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:21:27,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:21:27,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:21:27,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:21:27,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:21:27,020 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:21:27,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:21:27,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:21:27,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:21:27,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:21:27,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:21:27,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:21:27,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:21:27,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:21:27,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:21:27,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:21:27,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:21:27,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:21:27,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:21:27,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:21:27,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:21:27,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:21:27,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:21:27,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:21:27,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:21:27,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:21:27,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:21:27,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:21:27,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:21:27,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:21:27,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc6b3a88723e5b624538f8d0e562bbcbb838c2bd2dcd71ae870bf42dcd3068b [2024-10-24 14:21:27,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:21:27,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:21:27,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:21:27,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:21:27,293 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:21:27,294 INFO L431 ainManager$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 [2024-10-24 14:21:28,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:21:29,294 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:21:29,294 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 [2024-10-24 14:21:29,345 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728fc7831/acac1cf8b435465995cc654ea4568def/FLAGe0fd5638d [2024-10-24 14:21:29,359 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/728fc7831/acac1cf8b435465995cc654ea4568def [2024-10-24 14:21:29,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:21:29,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:21:29,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:21:29,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:21:29,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:21:29,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:21:29" (1/1) ... [2024-10-24 14:21:29,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678c203c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:29, skipping insertion in model container [2024-10-24 14:21:29,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:21:29" (1/1) ... [2024-10-24 14:21:29,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:21:31,879 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] [2024-10-24 14:21:31,883 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] [2024-10-24 14:21:31,883 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] [2024-10-24 14:21:31,884 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] [2024-10-24 14:21:31,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:21:31,953 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:21:32,096 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] [2024-10-24 14:21:32,099 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] [2024-10-24 14:21:32,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5322] [2024-10-24 14:21:32,101 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] [2024-10-24 14:21:32,102 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] [2024-10-24 14:21:32,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5502] [2024-10-24 14:21:32,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5510] [2024-10-24 14:21:32,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5517] [2024-10-24 14:21:32,114 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] [2024-10-24 14:21:32,118 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] [2024-10-24 14:21:32,119 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] [2024-10-24 14:21:32,120 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] [2024-10-24 14:21:32,122 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] [2024-10-24 14:21:32,123 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] [2024-10-24 14:21:32,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6769] [2024-10-24 14:21:32,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7540] [2024-10-24 14:21:32,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7550] [2024-10-24 14:21:32,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7565] [2024-10-24 14:21:32,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8351] [2024-10-24 14:21:32,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8384] [2024-10-24 14:21:32,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8407] [2024-10-24 14:21:32,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8648] [2024-10-24 14:21:32,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8678] [2024-10-24 14:21:32,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8691] [2024-10-24 14:21:32,331 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] [2024-10-24 14:21:32,332 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] [2024-10-24 14:21:32,333 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] [2024-10-24 14:21:32,333 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] [2024-10-24 14:21:32,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:21:32,529 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:21:32,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32 WrapperNode [2024-10-24 14:21:32,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:21:32,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:21:32,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:21:32,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:21:32,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:32,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:32,728 INFO L138 Inliner]: procedures = 433, calls = 2145, calls flagged for inlining = 207, calls inlined = 190, statements flattened = 6117 [2024-10-24 14:21:32,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:21:32,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:21:32,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:21:32,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:21:32,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:32,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:32,778 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,579 INFO L175 MemorySlicer]: Split 1003 memory accesses to 20 slices as follows [15, 2, 2, 4, 4, 19, 7, 2, 4, 824, 7, 7, 8, 7, 1, 2, 1, 70, 10, 7]. 82 percent of accesses are in the largest equivalence class. The 292 initializations are split as follows [15, 0, 0, 0, 4, 0, 7, 0, 4, 161, 0, 7, 8, 7, 1, 2, 0, 70, 6, 0]. The 245 writes are split as follows [0, 1, 1, 4, 0, 11, 0, 0, 0, 223, 2, 0, 0, 0, 0, 0, 0, 0, 1, 2]. [2024-10-24 14:21:33,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,707 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:21:33,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:21:33,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:21:33,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:21:33,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (1/1) ... [2024-10-24 14:21:33,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:21:33,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:21:33,868 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) [2024-10-24 14:21:33,873 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 [2024-10-24 14:21:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-10-24 14:21:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-10-24 14:21:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-10-24 14:21:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-10-24 14:21:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-24 14:21:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-24 14:21:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:21:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:21:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-10-24 14:21:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-10-24 14:21:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-10-24 14:21:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-10-24 14:21:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-10-24 14:21:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-10-24 14:21:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-24 14:21:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-24 14:21:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-10-24 14:21:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-10-24 14:21:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:21:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:21:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-24 14:21:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-24 14:21:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:21:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:21:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-10-24 14:21:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-10-24 14:21:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-24 14:21:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-24 14:21:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-10-24 14:21:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-10-24 14:21:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-10-24 14:21:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-10-24 14:21:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-10-24 14:21:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-10-24 14:21:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-10-24 14:21:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-10-24 14:21:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-10-24 14:21:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-10-24 14:21:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-24 14:21:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-24 14:21:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-24 14:21:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-24 14:21:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-10-24 14:21:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-10-24 14:21:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-10-24 14:21:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-10-24 14:21:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-24 14:21:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-24 14:21:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-24 14:21:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-24 14:21:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:21:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-24 14:21:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-24 14:21:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-10-24 14:21:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-10-24 14:21:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-24 14:21:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-24 14:21:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 14:21:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 14:21:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 14:21:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 14:21:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 14:21:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-24 14:21:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-24 14:21:33,923 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 14:21:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 14:21:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 14:21:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 14:21:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 14:21:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-24 14:21:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-24 14:21:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-24 14:21:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-24 14:21:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-24 14:21:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-24 14:21:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-10-24 14:21:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-24 14:21:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-24 14:21:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:21:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:21:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:21:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:21:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:21:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:21:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:21:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:21:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:21:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:21:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:21:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:21:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 14:21:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 14:21:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 14:21:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 14:21:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 14:21:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 14:21:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 14:21:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-24 14:21:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-24 14:21:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-24 14:21:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-24 14:21:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-24 14:21:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-24 14:21:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-24 14:21:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-24 14:21:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-24 14:21:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-10-24 14:21:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-10-24 14:21:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-10-24 14:21:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-10-24 14:21:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:21:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:21:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:21:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-10-24 14:21:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-10-24 14:21:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-10-24 14:21:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-10-24 14:21:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:21:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-10-24 14:21:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-10-24 14:21:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-24 14:21:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-24 14:21:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-24 14:21:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-24 14:21:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:21:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:21:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:21:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 14:21:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:21:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:21:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-24 14:21:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-10-24 14:21:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-24 14:21:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-24 14:21:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-24 14:21:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-24 14:21:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-24 14:21:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-24 14:21:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-24 14:21:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-10-24 14:21:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-10-24 14:21:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:21:33,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:21:33,937 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-10-24 14:21:33,938 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-10-24 14:21:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-10-24 14:21:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-10-24 14:21:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-10-24 14:21:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-10-24 14:21:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-10-24 14:21:33,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-10-24 14:21:33,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-10-24 14:21:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-10-24 14:21:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-10-24 14:21:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-10-24 14:21:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-10-24 14:21:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-10-24 14:21:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-10-24 14:21:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-10-24 14:21:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-10-24 14:21:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-10-24 14:21:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-10-24 14:21:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-10-24 14:21:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-10-24 14:21:33,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-10-24 14:21:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-10-24 14:21:33,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 14:21:33,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-10-24 14:21:33,944 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 14:21:33,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:21:33,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:21:33,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-24 14:21:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-10-24 14:21:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:21:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:21:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-10-24 14:21:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-10-24 14:21:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-24 14:21:33,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-24 14:21:33,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 14:21:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 14:21:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 14:21:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 14:21:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 14:21:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 14:21:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 14:21:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-24 14:21:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-24 14:21:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-24 14:21:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-10-24 14:21:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-10-24 14:21:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 14:21:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 14:21:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 14:21:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-10-24 14:21:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-24 14:21:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-24 14:21:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-10-24 14:21:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-10-24 14:21:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:21:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 14:21:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-24 14:21:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:21:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 14:21:33,957 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:21:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:21:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:21:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:21:33,958 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-10-24 14:21:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-10-24 14:21:33,959 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-24 14:21:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-24 14:21:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-24 14:21:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-24 14:21:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-24 14:21:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-24 14:21:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-10-24 14:21:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-10-24 14:21:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2024-10-24 14:21:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2024-10-24 14:21:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-10-24 14:21:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-10-24 14:21:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-10-24 14:21:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-24 14:21:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-10-24 14:21:33,965 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:21:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 14:21:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 14:21:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 14:21:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 14:21:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-24 14:21:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:21:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:21:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-10-24 14:21:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-10-24 14:21:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2024-10-24 14:21:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2024-10-24 14:21:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-24 14:21:33,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-24 14:21:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-24 14:21:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-10-24 14:21:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-10-24 14:21:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-10-24 14:21:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-24 14:21:33,968 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-24 14:21:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:21:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:21:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:21:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 14:21:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-10-24 14:21:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-10-24 14:21:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-24 14:21:33,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-24 14:21:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-24 14:21:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-24 14:21:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-10-24 14:21:33,971 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-10-24 14:21:34,748 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:21:34,756 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:21:34,901 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:21:38,754 INFO L? ?]: Removed 2908 outVars from TransFormulas that were not future-live. [2024-10-24 14:21:38,755 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:21:39,135 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:21:39,135 INFO L314 CfgBuilder]: Removed 21 assume(true) statements. [2024-10-24 14:21:39,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:21:39 BoogieIcfgContainer [2024-10-24 14:21:39,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:21:39,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:21:39,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:21:39,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:21:39,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:21:29" (1/3) ... [2024-10-24 14:21:39,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c71539d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:21:39, skipping insertion in model container [2024-10-24 14:21:39,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:21:32" (2/3) ... [2024-10-24 14:21:39,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c71539d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:21:39, skipping insertion in model container [2024-10-24 14:21:39,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:21:39" (3/3) ... [2024-10-24 14:21:39,145 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-10-24 14:21:39,179 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:21:39,179 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-24 14:21:39,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:21:39,290 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;@564bb0d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:21:39,290 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-24 14:21:39,301 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) [2024-10-24 14:21:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-24 14:21:39,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:39,309 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] [2024-10-24 14:21:39,310 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)] === [2024-10-24 14:21:39,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:39,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1713592474, now seen corresponding path program 1 times [2024-10-24 14:21:39,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:39,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155164460] [2024-10-24 14:21:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:39,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 14:21:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:39,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-24 14:21:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:39,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-24 14:21:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 14:21:39,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:39,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155164460] [2024-10-24 14:21:39,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155164460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:39,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:39,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 14:21:39,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602904135] [2024-10-24 14:21:39,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:39,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 14:21:39,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:39,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 14:21:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 14:21:39,800 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) [2024-10-24 14:21:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:40,693 INFO L93 Difference]: Finished difference Result 4629 states and 7150 transitions. [2024-10-24 14:21:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 14:21:40,695 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 [2024-10-24 14:21:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:40,722 INFO L225 Difference]: With dead ends: 4629 [2024-10-24 14:21:40,722 INFO L226 Difference]: Without dead ends: 2315 [2024-10-24 14:21:40,740 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 [2024-10-24 14:21:40,742 INFO L432 NwaCegarLoop]: 3293 mSDtfsCounter, 0 mSDsluCounter, 3293 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:40,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6586 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 14:21:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2024-10-24 14:21:40,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2315. [2024-10-24 14:21:40,875 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) [2024-10-24 14:21:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 3454 transitions. [2024-10-24 14:21:40,901 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 3454 transitions. Word has length 26 [2024-10-24 14:21:40,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:40,902 INFO L471 AbstractCegarLoop]: Abstraction has 2315 states and 3454 transitions. [2024-10-24 14:21:40,902 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) [2024-10-24 14:21:40,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 3454 transitions. [2024-10-24 14:21:40,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-24 14:21:40,904 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:40,904 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] [2024-10-24 14:21:40,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:21:40,904 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)] === [2024-10-24 14:21:40,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:40,905 INFO L85 PathProgramCache]: Analyzing trace with hash -147488693, now seen corresponding path program 1 times [2024-10-24 14:21:40,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:40,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371899440] [2024-10-24 14:21:40,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:41,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:41,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:41,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:41,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:41,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:41,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:21:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 14:21:41,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:41,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371899440] [2024-10-24 14:21:41,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371899440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:41,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:41,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:21:41,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049347233] [2024-10-24 14:21:41,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:41,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:21:41,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:21:41,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:21:41,397 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) [2024-10-24 14:21:43,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:43,494 INFO L93 Difference]: Finished difference Result 2321 states and 3459 transitions. [2024-10-24 14:21:43,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:21:43,495 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 [2024-10-24 14:21:43,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:43,510 INFO L225 Difference]: With dead ends: 2321 [2024-10-24 14:21:43,510 INFO L226 Difference]: Without dead ends: 2319 [2024-10-24 14:21:43,512 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 [2024-10-24 14:21:43,513 INFO L432 NwaCegarLoop]: 3277 mSDtfsCounter, 3443 mSDsluCounter, 6540 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3444 SdHoareTripleChecker+Valid, 9817 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:43,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3444 Valid, 9817 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 14:21:43,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-10-24 14:21:43,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2319. [2024-10-24 14:21:43,608 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) [2024-10-24 14:21:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 3457 transitions. [2024-10-24 14:21:43,629 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 3457 transitions. Word has length 37 [2024-10-24 14:21:43,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:43,630 INFO L471 AbstractCegarLoop]: Abstraction has 2319 states and 3457 transitions. [2024-10-24 14:21:43,630 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) [2024-10-24 14:21:43,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 3457 transitions. [2024-10-24 14:21:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-24 14:21:43,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:43,631 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] [2024-10-24 14:21:43,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:21:43,632 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)] === [2024-10-24 14:21:43,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:43,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1698674815, now seen corresponding path program 1 times [2024-10-24 14:21:43,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:43,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558046588] [2024-10-24 14:21:43,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:21:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:21:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-24 14:21:44,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:44,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558046588] [2024-10-24 14:21:44,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558046588] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:44,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:44,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:21:44,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641419356] [2024-10-24 14:21:44,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:44,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:21:44,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:44,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:21:44,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:21:44,222 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) [2024-10-24 14:21:46,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 14:21:47,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:47,356 INFO L93 Difference]: Finished difference Result 2325 states and 3462 transitions. [2024-10-24 14:21:47,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:21:47,357 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 [2024-10-24 14:21:47,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:47,380 INFO L225 Difference]: With dead ends: 2325 [2024-10-24 14:21:47,381 INFO L226 Difference]: Without dead ends: 2323 [2024-10-24 14:21:47,384 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 [2024-10-24 14:21:47,387 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3439 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:47,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3440 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-24 14:21:47,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2024-10-24 14:21:47,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2323. [2024-10-24 14:21:47,484 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) [2024-10-24 14:21:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3460 transitions. [2024-10-24 14:21:47,500 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3460 transitions. Word has length 42 [2024-10-24 14:21:47,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:47,500 INFO L471 AbstractCegarLoop]: Abstraction has 2323 states and 3460 transitions. [2024-10-24 14:21:47,501 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) [2024-10-24 14:21:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3460 transitions. [2024-10-24 14:21:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 14:21:47,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:47,506 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:21:47,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:21:47,506 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)] === [2024-10-24 14:21:47,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1910724149, now seen corresponding path program 1 times [2024-10-24 14:21:47,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:47,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317440463] [2024-10-24 14:21:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:47,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:21:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:21:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 14:21:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:47,842 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 14:21:47,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:47,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317440463] [2024-10-24 14:21:47,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317440463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:47,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:47,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:21:47,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682279820] [2024-10-24 14:21:47,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:47,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:21:47,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:47,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:21:47,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:21:47,843 INFO L87 Difference]: Start difference. First operand 2323 states and 3460 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 14:21:49,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:49,318 INFO L93 Difference]: Finished difference Result 2329 states and 3465 transitions. [2024-10-24 14:21:49,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:21:49,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2024-10-24 14:21:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:49,334 INFO L225 Difference]: With dead ends: 2329 [2024-10-24 14:21:49,334 INFO L226 Difference]: Without dead ends: 2327 [2024-10-24 14:21:49,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:21:49,337 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3438 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:49,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3439 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 14:21:49,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2024-10-24 14:21:49,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2327. [2024-10-24 14:21:49,480 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) [2024-10-24 14:21:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 3463 transitions. [2024-10-24 14:21:49,491 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 3463 transitions. Word has length 47 [2024-10-24 14:21:49,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:49,493 INFO L471 AbstractCegarLoop]: Abstraction has 2327 states and 3463 transitions. [2024-10-24 14:21:49,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 14:21:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3463 transitions. [2024-10-24 14:21:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-24 14:21:49,494 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:49,494 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:21:49,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:21:49,494 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)] === [2024-10-24 14:21:49,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:49,495 INFO L85 PathProgramCache]: Analyzing trace with hash -566172768, now seen corresponding path program 1 times [2024-10-24 14:21:49,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:49,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241758218] [2024-10-24 14:21:49,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:49,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:21:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:21:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 14:21:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 14:21:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 14:21:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 14:21:49,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:49,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241758218] [2024-10-24 14:21:49,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241758218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:49,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:49,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:21:49,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151265516] [2024-10-24 14:21:49,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:49,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:21:49,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:49,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:21:49,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:21:49,858 INFO L87 Difference]: Start difference. First operand 2327 states and 3463 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 14:21:52,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:52,478 INFO L93 Difference]: Finished difference Result 2333 states and 3468 transitions. [2024-10-24 14:21:52,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:21:52,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 59 [2024-10-24 14:21:52,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:52,495 INFO L225 Difference]: With dead ends: 2333 [2024-10-24 14:21:52,496 INFO L226 Difference]: Without dead ends: 2331 [2024-10-24 14:21:52,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:21:52,498 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3432 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3433 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:52,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3433 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 14:21:52,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2331 states. [2024-10-24 14:21:52,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2331 to 2331. [2024-10-24 14:21:52,584 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) [2024-10-24 14:21:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3466 transitions. [2024-10-24 14:21:52,595 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3466 transitions. Word has length 59 [2024-10-24 14:21:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:52,595 INFO L471 AbstractCegarLoop]: Abstraction has 2331 states and 3466 transitions. [2024-10-24 14:21:52,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 14:21:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3466 transitions. [2024-10-24 14:21:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-24 14:21:52,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:52,598 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:21:52,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:21:52,599 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)] === [2024-10-24 14:21:52,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:52,599 INFO L85 PathProgramCache]: Analyzing trace with hash 632267595, now seen corresponding path program 1 times [2024-10-24 14:21:52,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:52,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339594817] [2024-10-24 14:21:52,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:52,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:52,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:52,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:52,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:52,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:21:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:53,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:21:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:53,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 14:21:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:53,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:21:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:53,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:21:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-24 14:21:53,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:53,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339594817] [2024-10-24 14:21:53,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339594817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:53,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:53,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:21:53,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46950146] [2024-10-24 14:21:53,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:53,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:21:53,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:53,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:21:53,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:21:53,049 INFO L87 Difference]: Start difference. First operand 2331 states and 3466 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 14:21:55,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:55,611 INFO L93 Difference]: Finished difference Result 2385 states and 3520 transitions. [2024-10-24 14:21:55,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:21:55,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 57 [2024-10-24 14:21:55,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:55,628 INFO L225 Difference]: With dead ends: 2385 [2024-10-24 14:21:55,628 INFO L226 Difference]: Without dead ends: 2383 [2024-10-24 14:21:55,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:21:55,631 INFO L432 NwaCegarLoop]: 3282 mSDtfsCounter, 980 mSDsluCounter, 8971 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 12253 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:55,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 12253 Invalid, 651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 14:21:55,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2024-10-24 14:21:55,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2383. [2024-10-24 14:21:55,722 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) [2024-10-24 14:21:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 3518 transitions. [2024-10-24 14:21:55,735 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 3518 transitions. Word has length 57 [2024-10-24 14:21:55,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:55,736 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 3518 transitions. [2024-10-24 14:21:55,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-24 14:21:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 3518 transitions. [2024-10-24 14:21:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-24 14:21:55,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:55,738 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:21:55,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 14:21:55,738 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)] === [2024-10-24 14:21:55,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:55,739 INFO L85 PathProgramCache]: Analyzing trace with hash 580412289, now seen corresponding path program 1 times [2024-10-24 14:21:55,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:55,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312230279] [2024-10-24 14:21:55,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:55,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:55,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:55,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:55,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:55,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:21:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:21:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 14:21:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:21:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:21:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 14:21:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-24 14:21:56,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:56,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312230279] [2024-10-24 14:21:56,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312230279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:56,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:56,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:21:56,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564933738] [2024-10-24 14:21:56,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:56,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:21:56,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:56,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:21:56,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:21:56,049 INFO L87 Difference]: Start difference. First operand 2383 states and 3518 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-24 14:21:57,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:57,180 INFO L93 Difference]: Finished difference Result 2389 states and 3523 transitions. [2024-10-24 14:21:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:21:57,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 62 [2024-10-24 14:21:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:57,193 INFO L225 Difference]: With dead ends: 2389 [2024-10-24 14:21:57,194 INFO L226 Difference]: Without dead ends: 2387 [2024-10-24 14:21:57,196 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 [2024-10-24 14:21:57,196 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3435 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3436 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:57,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3436 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 14:21:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2024-10-24 14:21:57,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2387. [2024-10-24 14:21:57,280 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) [2024-10-24 14:21:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 3521 transitions. [2024-10-24 14:21:57,290 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 3521 transitions. Word has length 62 [2024-10-24 14:21:57,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:57,291 INFO L471 AbstractCegarLoop]: Abstraction has 2387 states and 3521 transitions. [2024-10-24 14:21:57,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-24 14:21:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 3521 transitions. [2024-10-24 14:21:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 14:21:57,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:57,292 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] [2024-10-24 14:21:57,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 14:21:57,293 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)] === [2024-10-24 14:21:57,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1218190132, now seen corresponding path program 1 times [2024-10-24 14:21:57,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:57,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631897543] [2024-10-24 14:21:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:57,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:21:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:21:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 14:21:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 14:21:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 14:21:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:21:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 14:21:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 14:21:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-24 14:21:57,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:21:57,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631897543] [2024-10-24 14:21:57,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631897543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:21:57,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:21:57,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:21:57,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630131339] [2024-10-24 14:21:57,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:21:57,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:21:57,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:21:57,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:21:57,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:21:57,644 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) [2024-10-24 14:21:59,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:21:59,369 INFO L93 Difference]: Finished difference Result 2393 states and 3526 transitions. [2024-10-24 14:21:59,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:21:59,369 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 [2024-10-24 14:21:59,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:21:59,384 INFO L225 Difference]: With dead ends: 2393 [2024-10-24 14:21:59,385 INFO L226 Difference]: Without dead ends: 2391 [2024-10-24 14:21:59,387 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 [2024-10-24 14:21:59,388 INFO L432 NwaCegarLoop]: 3280 mSDtfsCounter, 3429 mSDsluCounter, 6541 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3430 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:21:59,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3430 Valid, 9821 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 14:21:59,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2024-10-24 14:21:59,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2391. [2024-10-24 14:21:59,548 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) [2024-10-24 14:21:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3524 transitions. [2024-10-24 14:21:59,563 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3524 transitions. Word has length 74 [2024-10-24 14:21:59,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:21:59,564 INFO L471 AbstractCegarLoop]: Abstraction has 2391 states and 3524 transitions. [2024-10-24 14:21:59,564 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) [2024-10-24 14:21:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3524 transitions. [2024-10-24 14:21:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 14:21:59,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:21:59,566 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] [2024-10-24 14:21:59,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 14:21:59,566 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)] === [2024-10-24 14:21:59,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:21:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2133057254, now seen corresponding path program 1 times [2024-10-24 14:21:59,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:21:59,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120161110] [2024-10-24 14:21:59,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:21:59,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:21:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:59,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:21:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:59,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:21:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:59,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:21:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:21:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:59,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:21:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:21:59,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:22:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 14:22:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:22:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 14:22:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 14:22:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:22:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 14:22:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 14:22:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-24 14:22:00,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:00,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120161110] [2024-10-24 14:22:00,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120161110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:00,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:00,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:22:00,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282662001] [2024-10-24 14:22:00,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:00,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:22:00,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:00,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:22:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:22:00,078 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) [2024-10-24 14:22:05,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:05,482 INFO L93 Difference]: Finished difference Result 2412 states and 3561 transitions. [2024-10-24 14:22:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 14:22:05,483 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 [2024-10-24 14:22:05,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:05,494 INFO L225 Difference]: With dead ends: 2412 [2024-10-24 14:22:05,494 INFO L226 Difference]: Without dead ends: 2410 [2024-10-24 14:22:05,495 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 [2024-10-24 14:22:05,496 INFO L432 NwaCegarLoop]: 2171 mSDtfsCounter, 1780 mSDsluCounter, 6268 mSDsCounter, 0 mSdLazyCounter, 6304 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 5.1s IncrementalHoareTripleChecker+Time [2024-10-24 14:22:05,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2039 Valid, 8439 Invalid, 6910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [606 Valid, 6304 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-10-24 14:22:05,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2410 states. [2024-10-24 14:22:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2410 to 2389. [2024-10-24 14:22:05,584 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) [2024-10-24 14:22:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3522 transitions. [2024-10-24 14:22:05,594 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3522 transitions. Word has length 84 [2024-10-24 14:22:05,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:05,595 INFO L471 AbstractCegarLoop]: Abstraction has 2389 states and 3522 transitions. [2024-10-24 14:22:05,595 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) [2024-10-24 14:22:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3522 transitions. [2024-10-24 14:22:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 14:22:05,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:22:05,596 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:22:05,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 14:22:05,596 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)] === [2024-10-24 14:22:05,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:22:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash -270943871, now seen corresponding path program 1 times [2024-10-24 14:22:05,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:22:05,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950925253] [2024-10-24 14:22:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:22:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:22:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:22:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:22:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:22:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:22:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:22:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 14:22:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:22:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:22:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 14:22:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 14:22:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 14:22:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-24 14:22:05,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:05,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950925253] [2024-10-24 14:22:05,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950925253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:05,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:05,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:22:05,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794697468] [2024-10-24 14:22:05,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:05,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:22:05,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:05,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:22:05,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:22:05,847 INFO L87 Difference]: Start difference. First operand 2389 states and 3522 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 14:22:06,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:06,918 INFO L93 Difference]: Finished difference Result 2395 states and 3527 transitions. [2024-10-24 14:22:06,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:22:06,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 72 [2024-10-24 14:22:06,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:06,929 INFO L225 Difference]: With dead ends: 2395 [2024-10-24 14:22:06,929 INFO L226 Difference]: Without dead ends: 2393 [2024-10-24 14:22:06,932 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 [2024-10-24 14:22:06,932 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3431 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:22:06,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 14:22:06,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2024-10-24 14:22:07,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2393. [2024-10-24 14:22:07,039 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) [2024-10-24 14:22:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 3525 transitions. [2024-10-24 14:22:07,050 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 3525 transitions. Word has length 72 [2024-10-24 14:22:07,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:07,050 INFO L471 AbstractCegarLoop]: Abstraction has 2393 states and 3525 transitions. [2024-10-24 14:22:07,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-24 14:22:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 3525 transitions. [2024-10-24 14:22:07,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 14:22:07,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:22:07,051 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] [2024-10-24 14:22:07,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 14:22:07,052 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)] === [2024-10-24 14:22:07,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:22:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash 164169291, now seen corresponding path program 1 times [2024-10-24 14:22:07,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:22:07,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18643656] [2024-10-24 14:22:07,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:22:07,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:22:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:22:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:22:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:22:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:22:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:22:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 14:22:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:22:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:22:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 14:22:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 14:22:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 14:22:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 14:22:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-10-24 14:22:07,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:07,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18643656] [2024-10-24 14:22:07,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18643656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:07,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:07,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:22:07,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766079320] [2024-10-24 14:22:07,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:07,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:22:07,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:07,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:22:07,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:22:07,346 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) [2024-10-24 14:22:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:08,869 INFO L93 Difference]: Finished difference Result 2399 states and 3530 transitions. [2024-10-24 14:22:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:22:08,870 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 [2024-10-24 14:22:08,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:08,888 INFO L225 Difference]: With dead ends: 2399 [2024-10-24 14:22:08,892 INFO L226 Difference]: Without dead ends: 2397 [2024-10-24 14:22:08,894 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 [2024-10-24 14:22:08,895 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3430 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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 [2024-10-24 14:22:08,895 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] [2024-10-24 14:22:08,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-10-24 14:22:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2397. [2024-10-24 14:22:08,998 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) [2024-10-24 14:22:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2397 states and 3528 transitions. [2024-10-24 14:22:09,008 INFO L78 Accepts]: Start accepts. Automaton has 2397 states and 3528 transitions. Word has length 77 [2024-10-24 14:22:09,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:09,009 INFO L471 AbstractCegarLoop]: Abstraction has 2397 states and 3528 transitions. [2024-10-24 14:22:09,009 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) [2024-10-24 14:22:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 3528 transitions. [2024-10-24 14:22:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-24 14:22:09,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:22:09,011 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] [2024-10-24 14:22:09,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 14:22:09,011 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)] === [2024-10-24 14:22:09,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:22:09,011 INFO L85 PathProgramCache]: Analyzing trace with hash 80913760, now seen corresponding path program 1 times [2024-10-24 14:22:09,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:22:09,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385609333] [2024-10-24 14:22:09,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:22:09,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:22:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:22:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:22:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:22:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:22:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:22:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 14:22:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 14:22:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 14:22:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:22:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 14:22:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 14:22:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:22:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:22:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:22:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-10-24 14:22:09,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:09,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385609333] [2024-10-24 14:22:09,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385609333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:09,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:09,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:22:09,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552557492] [2024-10-24 14:22:09,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:09,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:22:09,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:09,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:22:09,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:22:09,295 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) [2024-10-24 14:22:10,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:10,574 INFO L93 Difference]: Finished difference Result 2403 states and 3533 transitions. [2024-10-24 14:22:10,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:22:10,575 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 [2024-10-24 14:22:10,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:10,585 INFO L225 Difference]: With dead ends: 2403 [2024-10-24 14:22:10,585 INFO L226 Difference]: Without dead ends: 2401 [2024-10-24 14:22:10,587 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 [2024-10-24 14:22:10,587 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3424 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 14:22:10,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 14:22:10,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2401 states. [2024-10-24 14:22:10,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2401 to 2401. [2024-10-24 14:22:10,692 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) [2024-10-24 14:22:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3531 transitions. [2024-10-24 14:22:10,701 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3531 transitions. Word has length 89 [2024-10-24 14:22:10,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:10,702 INFO L471 AbstractCegarLoop]: Abstraction has 2401 states and 3531 transitions. [2024-10-24 14:22:10,702 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) [2024-10-24 14:22:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3531 transitions. [2024-10-24 14:22:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 14:22:10,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:22:10,703 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] [2024-10-24 14:22:10,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 14:22:10,703 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)] === [2024-10-24 14:22:10,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:22:10,704 INFO L85 PathProgramCache]: Analyzing trace with hash -814883508, now seen corresponding path program 1 times [2024-10-24 14:22:10,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:22:10,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717999761] [2024-10-24 14:22:10,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:22:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:22:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:22:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:22:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:22:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:22:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:22:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 14:22:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 14:22:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 14:22:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:22:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 14:22:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 14:22:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:11,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:22:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:11,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:22:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:11,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:22:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:11,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 14:22:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-10-24 14:22:11,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:11,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717999761] [2024-10-24 14:22:11,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717999761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:11,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:11,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:22:11,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167810587] [2024-10-24 14:22:11,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:11,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:22:11,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:11,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:22:11,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:22:11,017 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) [2024-10-24 14:22:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:12,629 INFO L93 Difference]: Finished difference Result 2407 states and 3536 transitions. [2024-10-24 14:22:12,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:22:12,629 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 [2024-10-24 14:22:12,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:12,641 INFO L225 Difference]: With dead ends: 2407 [2024-10-24 14:22:12,641 INFO L226 Difference]: Without dead ends: 2405 [2024-10-24 14:22:12,643 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 [2024-10-24 14:22:12,644 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3423 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3424 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:22:12,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3424 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-24 14:22:12,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2024-10-24 14:22:12,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2405. [2024-10-24 14:22:12,750 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) [2024-10-24 14:22:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3534 transitions. [2024-10-24 14:22:12,759 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3534 transitions. Word has length 94 [2024-10-24 14:22:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:12,759 INFO L471 AbstractCegarLoop]: Abstraction has 2405 states and 3534 transitions. [2024-10-24 14:22:12,759 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) [2024-10-24 14:22:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3534 transitions. [2024-10-24 14:22:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-24 14:22:12,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:22:12,762 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:22:12,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 14:22:12,763 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)] === [2024-10-24 14:22:12,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:22:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash -619589472, now seen corresponding path program 1 times [2024-10-24 14:22:12,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:22:12,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143779551] [2024-10-24 14:22:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:22:12,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:22:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:22:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:22:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:22:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:22:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:22:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 14:22:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-24 14:22:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-24 14:22:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-24 14:22:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-24 14:22:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 14:22:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:22:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 14:22:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-24 14:22:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 14:22:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 14:22:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-10-24 14:22:13,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:13,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143779551] [2024-10-24 14:22:13,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143779551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:13,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:13,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:22:13,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696751055] [2024-10-24 14:22:13,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:13,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:22:13,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:13,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:22:13,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:22:13,041 INFO L87 Difference]: Start difference. First operand 2405 states and 3534 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 14:22:15,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:15,031 INFO L93 Difference]: Finished difference Result 2411 states and 3539 transitions. [2024-10-24 14:22:15,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:22:15,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 99 [2024-10-24 14:22:15,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:15,040 INFO L225 Difference]: With dead ends: 2411 [2024-10-24 14:22:15,041 INFO L226 Difference]: Without dead ends: 2407 [2024-10-24 14:22:15,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:22:15,042 INFO L432 NwaCegarLoop]: 3278 mSDtfsCounter, 3422 mSDsluCounter, 6537 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 9815 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 14:22:15,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 9815 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 14:22:15,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2024-10-24 14:22:15,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 2407. [2024-10-24 14:22:15,228 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) [2024-10-24 14:22:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2407 states and 3535 transitions. [2024-10-24 14:22:15,239 INFO L78 Accepts]: Start accepts. Automaton has 2407 states and 3535 transitions. Word has length 99 [2024-10-24 14:22:15,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:15,240 INFO L471 AbstractCegarLoop]: Abstraction has 2407 states and 3535 transitions. [2024-10-24 14:22:15,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 14:22:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 3535 transitions. [2024-10-24 14:22:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-24 14:22:15,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:22:15,242 INFO L215 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:22:15,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 14:22:15,242 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)] === [2024-10-24 14:22:15,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:22:15,243 INFO L85 PathProgramCache]: Analyzing trace with hash -614356661, now seen corresponding path program 1 times [2024-10-24 14:22:15,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:22:15,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203921543] [2024-10-24 14:22:15,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:22:15,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:22:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:22:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:22:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:22:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:22:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-24 14:22:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-24 14:22:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 14:22:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 14:22:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 14:22:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-24 14:22:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 14:22:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 14:22:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 14:22:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 14:22:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 14:22:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 14:22:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-10-24 14:22:15,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:15,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203921543] [2024-10-24 14:22:15,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203921543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:15,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:15,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:22:15,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355336925] [2024-10-24 14:22:15,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:15,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:22:15,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:15,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:22:15,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:22:15,598 INFO L87 Difference]: Start difference. First operand 2407 states and 3535 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 14:22:17,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:17,614 INFO L93 Difference]: Finished difference Result 2407 states and 3535 transitions. [2024-10-24 14:22:17,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:22:17,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 97 [2024-10-24 14:22:17,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:17,625 INFO L225 Difference]: With dead ends: 2407 [2024-10-24 14:22:17,625 INFO L226 Difference]: Without dead ends: 2334 [2024-10-24 14:22:17,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:22:17,627 INFO L432 NwaCegarLoop]: 3276 mSDtfsCounter, 3423 mSDsluCounter, 6535 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 9811 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 14:22:17,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 9811 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 14:22:17,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2024-10-24 14:22:17,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2334. [2024-10-24 14:22:17,741 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) [2024-10-24 14:22:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3456 transitions. [2024-10-24 14:22:17,750 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3456 transitions. Word has length 97 [2024-10-24 14:22:17,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:17,751 INFO L471 AbstractCegarLoop]: Abstraction has 2334 states and 3456 transitions. [2024-10-24 14:22:17,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-24 14:22:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3456 transitions. [2024-10-24 14:22:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 14:22:17,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:22:17,752 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] [2024-10-24 14:22:17,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 14:22:17,752 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)] === [2024-10-24 14:22:17,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:22:17,753 INFO L85 PathProgramCache]: Analyzing trace with hash 545891101, now seen corresponding path program 1 times [2024-10-24 14:22:17,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:22:17,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333807559] [2024-10-24 14:22:17,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:22:17,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:22:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:22:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 14:22:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-24 14:22:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 14:22:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 14:22:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 14:22:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 14:22:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:22:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 14:22:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 14:22:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:22:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 14:22:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-24 14:22:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 14:22:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:22:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-24 14:22:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 14:22:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 14:22:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:22:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-10-24 14:22:18,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:22:18,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333807559] [2024-10-24 14:22:18,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333807559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:22:18,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:22:18,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 14:22:18,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161701491] [2024-10-24 14:22:18,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:22:18,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 14:22:18,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:22:18,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 14:22:18,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 14:22:18,138 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) [2024-10-24 14:22:25,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:22:25,654 INFO L93 Difference]: Finished difference Result 2357 states and 3496 transitions. [2024-10-24 14:22:25,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 14:22:25,655 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 [2024-10-24 14:22:25,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:22:25,656 INFO L225 Difference]: With dead ends: 2357 [2024-10-24 14:22:25,656 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 14:22:25,665 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 [2024-10-24 14:22:25,666 INFO L432 NwaCegarLoop]: 1602 mSDtfsCounter, 3644 mSDsluCounter, 5784 mSDsCounter, 0 mSdLazyCounter, 7310 mSolverCounterSat, 2146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3828 SdHoareTripleChecker+Valid, 7386 SdHoareTripleChecker+Invalid, 9456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2146 IncrementalHoareTripleChecker+Valid, 7310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-10-24 14:22:25,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3828 Valid, 7386 Invalid, 9456 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2146 Valid, 7310 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-10-24 14:22:25,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 14:22:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 14:22:25,666 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) [2024-10-24 14:22:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 14:22:25,667 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2024-10-24 14:22:25,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:22:25,668 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 14:22:25,668 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) [2024-10-24 14:22:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 14:22:25,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 14:22:25,670 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-10-24 14:22:25,671 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-10-24 14:22:25,671 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) [2024-10-24 14:22:25,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 14:22:25,674 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:22:25,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.