./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73ecee8eedb0e3495ea3ea96569137c1cfa2b173c42f999b4aef52ca9331e2d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:09:44,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:09:44,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 10:09:44,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:09:44,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:09:44,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:09:44,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:09:44,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:09:44,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:09:44,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:09:44,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:09:44,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:09:44,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:09:44,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:09:44,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:09:44,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:09:44,352 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:44,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:44,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:09:44,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:09:44,353 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:09:44,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:09:44,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:09:44,353 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:09:44,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:09:44,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:09:44,353 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73ecee8eedb0e3495ea3ea96569137c1cfa2b173c42f999b4aef52ca9331e2d3 [2024-12-02 10:09:44,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:09:44,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:09:44,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:09:44,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:09:44,588 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:09:44,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i [2024-12-02 10:09:47,231 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/data/33370f7a0/bf3b49644d954986ae22d9a1de97a1e9/FLAG8212d09df [2024-12-02 10:09:47,717 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:09:47,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i [2024-12-02 10:09:47,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/data/33370f7a0/bf3b49644d954986ae22d9a1de97a1e9/FLAG8212d09df [2024-12-02 10:09:47,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/data/33370f7a0/bf3b49644d954986ae22d9a1de97a1e9 [2024-12-02 10:09:47,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:09:47,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:09:47,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:47,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:09:47,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:09:47,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:47" (1/1) ... [2024-12-02 10:09:47,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f649a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:47, skipping insertion in model container [2024-12-02 10:09:47,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:47" (1/1) ... [2024-12-02 10:09:47,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:09:50,434 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367316,367329] [2024-12-02 10:09:50,437 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367485,367498] [2024-12-02 10:09:50,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367652,367665] [2024-12-02 10:09:50,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367820,367833] [2024-12-02 10:09:50,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:50,501 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:09:50,691 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"); [7818] [2024-12-02 10:09:50,693 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)); [7825] [2024-12-02 10:09:50,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7832] [2024-12-02 10:09:50,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [7847-7848] [2024-12-02 10:09:50,695 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/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7879-7880] [2024-12-02 10:09:50,696 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"); [7885-7887] [2024-12-02 10:09:50,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (98), "i" (12UL)); [7942-7943] [2024-12-02 10:09:50,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (99), "i" (12UL)); [7953-7954] [2024-12-02 10:09:50,706 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" (52), "i" (12UL)); [8052-8053] [2024-12-02 10:09:50,707 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" (65), "i" (12UL)); [8082-8083] [2024-12-02 10:09:51,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367316,367329] [2024-12-02 10:09:51,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367485,367498] [2024-12-02 10:09:51,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367652,367665] [2024-12-02 10:09:51,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i[367820,367833] [2024-12-02 10:09:51,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:51,183 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:09:51,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51 WrapperNode [2024-12-02 10:09:51,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:51,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:51,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:09:51,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:09:51,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:51,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:51,952 INFO L138 Inliner]: procedures = 501, calls = 3542, calls flagged for inlining = 277, calls inlined = 264, statements flattened = 8252 [2024-12-02 10:09:51,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:51,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:09:51,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:09:51,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:09:51,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:51,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:52,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:54,964 INFO L175 MemorySlicer]: Split 2320 memory accesses to 16 slices as follows [2, 2, 52, 2, 3, 16, 1299, 1, 820, 16, 28, 8, 52, 16, 2, 1]. 56 percent of accesses are in the largest equivalence class. The 44 initializations are split as follows [2, 0, 0, 0, 1, 8, 10, 0, 0, 16, 0, 6, 0, 0, 0, 1]. The 1272 writes are split as follows [0, 0, 42, 1, 0, 0, 846, 0, 299, 0, 24, 2, 42, 15, 1, 0]. [2024-12-02 10:09:54,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:54,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:55,370 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:55,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:55,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:55,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:55,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:55,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:09:55,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:09:55,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:09:55,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:09:55,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (1/1) ... [2024-12-02 10:09:55,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:09:55,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:55,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:55,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe88f8c-e028-4358-9cd9-52c958b3f260/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:09:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_mmap [2024-12-02 10:09:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_mmap [2024-12-02 10:09:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_start [2024-12-02 10:09:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_start [2024-12-02 10:09:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 10:09:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure to_cam [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cam [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_buffer_done [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_buffer_done [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure mccic_register [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mccic_register [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_power_down [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_power_down [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_cleanup [2024-12-02 10:09:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_cleanup [2024-12-02 10:09:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 10:09:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 10:09:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_alloc_dma_bufs [2024-12-02 10:09:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_alloc_dma_bufs [2024-12-02 10:09:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2024-12-02 10:09:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2024-12-02 10:09:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 10:09:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 10:09:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 10:09:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 10:09:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure vb_to_mvb [2024-12-02 10:09:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure vb_to_mvb [2024-12-02 10:09:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_smbus_read_done [2024-12-02 10:09:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_smbus_read_done [2024-12-02 10:09:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_53 [2024-12-02 10:09:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_53 [2024-12-02 10:09:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_open [2024-12-02 10:09:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_open [2024-12-02 10:09:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2024-12-02 10:09:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2024-12-02 10:09:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 10:09:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 10:09:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_read [2024-12-02 10:09:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_read [2024-12-02 10:09:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 10:09:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 10:09:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_stop_streaming [2024-12-02 10:09:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_stop_streaming [2024-12-02 10:09:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:09:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_init [2024-12-02 10:09:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_init [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_shutdown [2024-12-02 10:09:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_shutdown [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_free_dma_bufs [2024-12-02 10:09:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_free_dma_bufs [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_dev_lock_of_mcam_camera [2024-12-02 10:09:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_dev_lock_of_mcam_camera [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure __mcam_cam_reset [2024-12-02 10:09:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __mcam_cam_reset [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 10:09:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 10:09:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_set_config_needed [2024-12-02 10:09:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_set_config_needed [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 10:09:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:09:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:09:55,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_pci_resume [2024-12-02 10:09:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_pci_resume [2024-12-02 10:09:55,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 10:09:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_set_contig_buffer [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_set_contig_buffer [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_pci_remove [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_pci_remove [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure mccic_resume [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mccic_resume [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_cookie [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_cookie [2024-12-02 10:09:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_stop [2024-12-02 10:09:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_stop [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_pci_probe [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_pci_probe [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_smbus_shutdown [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_smbus_shutdown [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 10:09:55,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 10:09:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 10:09:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 10:09:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 10:09:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:09:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 10:09:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:09:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 10:09:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-12-02 10:09:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-12-02 10:09:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 10:09:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 10:09:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_dma_sg [2024-12-02 10:09:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_dma_sg [2024-12-02 10:09:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_dev_lock_of_mcam_camera [2024-12-02 10:09:55,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_dev_lock_of_mcam_camera [2024-12-02 10:09:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_find_format [2024-12-02 10:09:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_find_format [2024-12-02 10:09:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_prepare [2024-12-02 10:09:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_prepare [2024-12-02 10:09:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 10:09:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 10:09:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-12-02 10:09:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-12-02 10:09:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-12-02 10:09:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-12-02 10:09:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_configure [2024-12-02 10:09:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_configure [2024-12-02 10:09:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_sg_next_buffer [2024-12-02 10:09:55,651 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_sg_next_buffer [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-12-02 10:09:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:09:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_sg_buf_finish [2024-12-02 10:09:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_sg_buf_finish [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 10:09:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 10:09:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 10:09:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 10:09:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 10:09:55,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 10:09:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2024-12-02 10:09:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_poll [2024-12-02 10:09:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_poll [2024-12-02 10:09:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 10:09:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 10:09:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 10:09:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 10:09:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 10:09:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 10:09:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 10:09:55,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 10:09:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 10:09:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 10:09:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_ctlr_init [2024-12-02 10:09:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_ctlr_init [2024-12-02 10:09:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_clear_bit [2024-12-02 10:09:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_clear_bit [2024-12-02 10:09:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_cam_set_flip [2024-12-02 10:09:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_cam_set_flip [2024-12-02 10:09:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_stop_dma [2024-12-02 10:09:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_stop_dma [2024-12-02 10:09:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-12-02 10:09:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-12-02 10:09:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_cam_configure [2024-12-02 10:09:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_cam_configure [2024-12-02 10:09:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_buf_queue [2024-12-02 10:09:55,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_buf_queue [2024-12-02 10:09:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 10:09:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_read_setup [2024-12-02 10:09:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_read_setup [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2024-12-02 10:09:55,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 10:09:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 10:09:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 10:09:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 10:09:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 10:09:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 10:09:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 10:09:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 10:09:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_write [2024-12-02 10:09:55,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_write [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cafe_exit_9_2 [2024-12-02 10:09:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cafe_exit_9_2 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2024-12-02 10:09:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_v4l_release [2024-12-02 10:09:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_v4l_release [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 10:09:55,664 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 10:09:55,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 10:09:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 10:09:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 10:09:55,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 10:09:55,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_fill_mbus_format [2024-12-02 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_fill_mbus_format [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_ctlr_power_up [2024-12-02 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_ctlr_power_up [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_write_mask [2024-12-02 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_write_mask [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_ctlr_power_up [2024-12-02 10:09:55,670 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_ctlr_power_up [2024-12-02 10:09:55,670 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_disable_mipi [2024-12-02 10:09:55,671 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_disable_mipi [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 10:09:55,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_smbus_write_done [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_smbus_write_done [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_cam_init [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_cam_init [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure mccic_shutdown [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mccic_shutdown [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vidioc_try_fmt_vid_cap [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vidioc_try_fmt_vid_cap [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_reg_set_bit [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_reg_set_bit [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-12-02 10:09:55,672 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2024-12-02 10:09:55,672 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_sg_plane_desc [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_sg_plane_desc [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure cafe_ctlr_power_down [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cafe_ctlr_power_down [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_wait_finish [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_wait_finish [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_queue_release [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_queue_release [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure mcam_vb_wait_prepare [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mcam_vb_wait_prepare [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 10:09:55,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:09:55,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 10:09:55,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 10:09:55,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 10:09:56,731 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:09:56,735 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:09:56,862 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 10:10:31,478 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 10:10:32,788 INFO L? ?]: Removed 3379 outVars from TransFormulas that were not future-live. [2024-12-02 10:10:32,788 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:10:32,834 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:10:32,834 INFO L312 CfgBuilder]: Removed 19 assume(true) statements. [2024-12-02 10:10:32,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:10:32 BoogieIcfgContainer [2024-12-02 10:10:32,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:10:32,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:10:32,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:10:32,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:10:32,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:09:47" (1/3) ... [2024-12-02 10:10:32,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cf1907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:10:32, skipping insertion in model container [2024-12-02 10:10:32,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:51" (2/3) ... [2024-12-02 10:10:32,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cf1907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:10:32, skipping insertion in model container [2024-12-02 10:10:32,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:10:32" (3/3) ... [2024-12-02 10:10:32,845 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i [2024-12-02 10:10:32,861 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:10:32,864 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-platform-marvell-ccic-cafe_ccic.cil.i that has 156 procedures, 2559 locations, 1 initial locations, 33 loop locations, and 3 error locations. [2024-12-02 10:10:32,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:10:32,990 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;@3dfef224, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:10:32,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 10:10:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 2422 states, 1651 states have (on average 1.2816474863718958) internal successors, (2116), 1693 states have internal predecessors, (2116), 645 states have call successors, (645), 125 states have call predecessors, (645), 124 states have return successors, (637), 622 states have call predecessors, (637), 637 states have call successors, (637) [2024-12-02 10:10:33,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-12-02 10:10:33,019 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:10:33,020 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:10:33,020 INFO L396 AbstractCegarLoop]: === Iteration 1 === 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)] === [2024-12-02 10:10:33,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:10:33,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1293843646, now seen corresponding path program 1 times [2024-12-02 10:10:33,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:10:33,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602946537] [2024-12-02 10:10:33,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:10:33,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:10:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:00,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2024-12-02 10:11:00,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:11:00,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602946537] [2024-12-02 10:11:00,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602946537] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:11:00,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:11:00,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:11:00,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10166144] [2024-12-02 10:11:00,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:11:00,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:11:00,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:11:00,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:11:00,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:11:00,719 INFO L87 Difference]: Start difference. First operand has 2422 states, 1651 states have (on average 1.2816474863718958) internal successors, (2116), 1693 states have internal predecessors, (2116), 645 states have call successors, (645), 125 states have call predecessors, (645), 124 states have return successors, (637), 622 states have call predecessors, (637), 637 states have call successors, (637) Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 10:11:04,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:11:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:11:05,880 INFO L93 Difference]: Finished difference Result 6995 states and 10171 transitions. [2024-12-02 10:11:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:11:05,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 320 [2024-12-02 10:11:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:11:05,924 INFO L225 Difference]: With dead ends: 6995 [2024-12-02 10:11:05,924 INFO L226 Difference]: Without dead ends: 4615 [2024-12-02 10:11:05,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:11:05,943 INFO L435 NwaCegarLoop]: 3421 mSDtfsCounter, 3152 mSDsluCounter, 3359 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 6780 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:11:05,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 6780 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 10:11:05,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4615 states. [2024-12-02 10:11:06,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4615 to 4592. [2024-12-02 10:11:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4592 states, 3139 states have (on average 1.2688754380375915) internal successors, (3983), 3221 states have internal predecessors, (3983), 1209 states have call successors, (1209), 244 states have call predecessors, (1209), 241 states have return successors, (1297), 1167 states have call predecessors, (1297), 1205 states have call successors, (1297) [2024-12-02 10:11:06,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4592 states and 6489 transitions. [2024-12-02 10:11:06,218 INFO L78 Accepts]: Start accepts. Automaton has 4592 states and 6489 transitions. Word has length 320 [2024-12-02 10:11:06,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:11:06,219 INFO L471 AbstractCegarLoop]: Abstraction has 4592 states and 6489 transitions. [2024-12-02 10:11:06,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 10:11:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4592 states and 6489 transitions. [2024-12-02 10:11:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-12-02 10:11:06,229 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:06,229 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:11:06,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:11:06,230 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)] === [2024-12-02 10:11:06,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:06,230 INFO L85 PathProgramCache]: Analyzing trace with hash 423081938, now seen corresponding path program 1 times [2024-12-02 10:11:06,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:11:06,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193051784] [2024-12-02 10:11:06,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:06,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:11:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2024-12-02 10:11:32,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:11:32,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193051784] [2024-12-02 10:11:32,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193051784] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:11:32,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:11:32,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:11:32,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218439462] [2024-12-02 10:11:32,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:11:32,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:11:32,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:11:32,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:11:32,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:11:32,890 INFO L87 Difference]: Start difference. First operand 4592 states and 6489 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 10:11:37,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:11:38,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:11:38,771 INFO L93 Difference]: Finished difference Result 13491 states and 19070 transitions. [2024-12-02 10:11:38,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:11:38,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 329 [2024-12-02 10:11:38,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:11:38,845 INFO L225 Difference]: With dead ends: 13491 [2024-12-02 10:11:38,845 INFO L226 Difference]: Without dead ends: 8958 [2024-12-02 10:11:38,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:11:38,876 INFO L435 NwaCegarLoop]: 3356 mSDtfsCounter, 3151 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 6627 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 10:11:38,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 6627 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 10:11:38,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8958 states. [2024-12-02 10:11:39,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8958 to 8954. [2024-12-02 10:11:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8954 states, 6138 states have (on average 1.2699576409253828) internal successors, (7795), 6294 states have internal predecessors, (7795), 2334 states have call successors, (2334), 484 states have call predecessors, (2334), 479 states have return successors, (2514), 2257 states have call predecessors, (2514), 2330 states have call successors, (2514) [2024-12-02 10:11:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8954 states to 8954 states and 12643 transitions. [2024-12-02 10:11:39,459 INFO L78 Accepts]: Start accepts. Automaton has 8954 states and 12643 transitions. Word has length 329 [2024-12-02 10:11:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:11:39,460 INFO L471 AbstractCegarLoop]: Abstraction has 8954 states and 12643 transitions. [2024-12-02 10:11:39,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 10:11:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8954 states and 12643 transitions. [2024-12-02 10:11:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-12-02 10:11:39,470 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:39,470 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:11:39,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:11:39,470 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] === [2024-12-02 10:11:39,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:39,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1459905776, now seen corresponding path program 1 times [2024-12-02 10:11:39,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:11:39,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835935183] [2024-12-02 10:11:39,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:39,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:12:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2024-12-02 10:12:07,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:12:07,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835935183] [2024-12-02 10:12:07,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835935183] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:12:07,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:12:07,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:12:07,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647663229] [2024-12-02 10:12:07,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:12:07,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:12:07,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:12:07,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:12:07,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:12:07,354 INFO L87 Difference]: Start difference. First operand 8954 states and 12643 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 10:12:11,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:12:12,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:12,713 INFO L93 Difference]: Finished difference Result 21592 states and 30455 transitions. [2024-12-02 10:12:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:12:12,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 335 [2024-12-02 10:12:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:12,817 INFO L225 Difference]: With dead ends: 21592 [2024-12-02 10:12:12,817 INFO L226 Difference]: Without dead ends: 12697 [2024-12-02 10:12:12,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:12:12,871 INFO L435 NwaCegarLoop]: 3360 mSDtfsCounter, 2948 mSDsluCounter, 3321 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 6681 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:12,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 6681 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 10:12:12,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12697 states. [2024-12-02 10:12:13,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12697 to 12672. [2024-12-02 10:12:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12672 states, 8671 states have (on average 1.2661746050051896) internal successors, (10979), 8911 states have internal predecessors, (10979), 3299 states have call successors, (3299), 706 states have call predecessors, (3299), 699 states have return successors, (3571), 3177 states have call predecessors, (3571), 3295 states have call successors, (3571) [2024-12-02 10:12:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12672 states to 12672 states and 17849 transitions. [2024-12-02 10:12:13,702 INFO L78 Accepts]: Start accepts. Automaton has 12672 states and 17849 transitions. Word has length 335 [2024-12-02 10:12:13,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:13,703 INFO L471 AbstractCegarLoop]: Abstraction has 12672 states and 17849 transitions. [2024-12-02 10:12:13,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 10:12:13,703 INFO L276 IsEmpty]: Start isEmpty. Operand 12672 states and 17849 transitions. [2024-12-02 10:12:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-12-02 10:12:13,713 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:13,713 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:12:13,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:12:13,713 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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)] === [2024-12-02 10:12:13,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:13,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1367584550, now seen corresponding path program 1 times [2024-12-02 10:12:13,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:12:13,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841095475] [2024-12-02 10:12:13,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:13,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:12:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2024-12-02 10:12:40,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:12:40,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841095475] [2024-12-02 10:12:40,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841095475] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:12:40,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:12:40,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:12:40,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154474529] [2024-12-02 10:12:40,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:12:40,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:12:40,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:12:40,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:12:40,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:12:40,294 INFO L87 Difference]: Start difference. First operand 12672 states and 17849 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 10:12:44,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:12:46,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:46,958 INFO L93 Difference]: Finished difference Result 31568 states and 44275 transitions. [2024-12-02 10:12:46,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:12:46,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 338 [2024-12-02 10:12:46,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:47,054 INFO L225 Difference]: With dead ends: 31568 [2024-12-02 10:12:47,054 INFO L226 Difference]: Without dead ends: 18955 [2024-12-02 10:12:47,099 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:12:47,100 INFO L435 NwaCegarLoop]: 3360 mSDtfsCounter, 2653 mSDsluCounter, 3226 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2653 SdHoareTripleChecker+Valid, 6586 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:47,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2653 Valid, 6586 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-12-02 10:12:47,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18955 states. [2024-12-02 10:12:47,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18955 to 18926. [2024-12-02 10:12:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18926 states, 12783 states have (on average 1.2575295314089026) internal successors, (16075), 13183 states have internal predecessors, (16075), 4971 states have call successors, (4971), 1180 states have call predecessors, (4971), 1169 states have return successors, (5373), 4755 states have call predecessors, (5373), 4967 states have call successors, (5373) [2024-12-02 10:12:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18926 states to 18926 states and 26419 transitions. [2024-12-02 10:12:47,903 INFO L78 Accepts]: Start accepts. Automaton has 18926 states and 26419 transitions. Word has length 338 [2024-12-02 10:12:47,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:47,904 INFO L471 AbstractCegarLoop]: Abstraction has 18926 states and 26419 transitions. [2024-12-02 10:12:47,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 10:12:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 18926 states and 26419 transitions. [2024-12-02 10:12:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-12-02 10:12:47,910 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:47,910 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:12:47,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 10:12:47,911 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] === [2024-12-02 10:12:47,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:47,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1197231519, now seen corresponding path program 1 times [2024-12-02 10:12:47,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:12:47,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981613924] [2024-12-02 10:12:47,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:13:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2024-12-02 10:13:13,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:13:13,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981613924] [2024-12-02 10:13:13,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981613924] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:13:13,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:13:13,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:13:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533181199] [2024-12-02 10:13:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:13:13,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:13:13,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:13:13,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:13:13,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:13:13,494 INFO L87 Difference]: Start difference. First operand 18926 states and 26419 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 10:13:17,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:13:19,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:13:19,373 INFO L93 Difference]: Finished difference Result 52478 states and 73217 transitions. [2024-12-02 10:13:19,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:13:19,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 340 [2024-12-02 10:13:19,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:13:19,522 INFO L225 Difference]: With dead ends: 52478 [2024-12-02 10:13:19,522 INFO L226 Difference]: Without dead ends: 33611 [2024-12-02 10:13:19,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:13:19,591 INFO L435 NwaCegarLoop]: 3360 mSDtfsCounter, 3091 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 6657 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:13:19,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 6657 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 10:13:19,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33611 states. [2024-12-02 10:13:20,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33611 to 33574. [2024-12-02 10:13:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33574 states, 22591 states have (on average 1.2553229162055686) internal successors, (28359), 23335 states have internal predecessors, (28359), 8865 states have call successors, (8865), 2134 states have call predecessors, (8865), 2115 states have return successors, (9569), 8453 states have call predecessors, (9569), 8861 states have call successors, (9569) [2024-12-02 10:13:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33574 states to 33574 states and 46793 transitions. [2024-12-02 10:13:21,056 INFO L78 Accepts]: Start accepts. Automaton has 33574 states and 46793 transitions. Word has length 340 [2024-12-02 10:13:21,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:13:21,057 INFO L471 AbstractCegarLoop]: Abstraction has 33574 states and 46793 transitions. [2024-12-02 10:13:21,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 10:13:21,057 INFO L276 IsEmpty]: Start isEmpty. Operand 33574 states and 46793 transitions. [2024-12-02 10:13:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-12-02 10:13:21,065 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:13:21,066 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:13:21,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 10:13:21,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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)] === [2024-12-02 10:13:21,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:21,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1409164171, now seen corresponding path program 1 times [2024-12-02 10:13:21,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:13:21,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276504355] [2024-12-02 10:13:21,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:21,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:13:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:13:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2024-12-02 10:13:47,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:13:47,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276504355] [2024-12-02 10:13:47,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276504355] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:13:47,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:13:47,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:13:47,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127073831] [2024-12-02 10:13:47,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:13:47,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:13:47,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:13:47,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:13:47,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:13:47,947 INFO L87 Difference]: Start difference. First operand 33574 states and 46793 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 10:13:52,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:13:54,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:13:54,858 INFO L93 Difference]: Finished difference Result 87885 states and 122505 transitions. [2024-12-02 10:13:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:13:54,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 341 [2024-12-02 10:13:54,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:13:55,072 INFO L225 Difference]: With dead ends: 87885 [2024-12-02 10:13:55,072 INFO L226 Difference]: Without dead ends: 54370 [2024-12-02 10:13:55,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:13:55,179 INFO L435 NwaCegarLoop]: 5478 mSDtfsCounter, 3095 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 8753 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:13:55,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 8753 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 10:13:55,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54370 states. [2024-12-02 10:13:56,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54370 to 54319. [2024-12-02 10:13:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54319 states, 36845 states have (on average 1.2558284706201654) internal successors, (46271), 38065 states have internal predecessors, (46271), 14085 states have call successors, (14085), 3431 states have call predecessors, (14085), 3386 states have return successors, (15115), 13370 states have call predecessors, (15115), 14081 states have call successors, (15115) [2024-12-02 10:13:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54319 states to 54319 states and 75471 transitions. [2024-12-02 10:13:57,256 INFO L78 Accepts]: Start accepts. Automaton has 54319 states and 75471 transitions. Word has length 341 [2024-12-02 10:13:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:13:57,257 INFO L471 AbstractCegarLoop]: Abstraction has 54319 states and 75471 transitions. [2024-12-02 10:13:57,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-12-02 10:13:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 54319 states and 75471 transitions. [2024-12-02 10:13:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-12-02 10:13:57,262 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:13:57,262 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:13:57,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 10:13:57,263 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)] === [2024-12-02 10:13:57,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:13:57,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1831683109, now seen corresponding path program 1 times [2024-12-02 10:13:57,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:13:57,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491030951] [2024-12-02 10:13:57,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:13:57,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:14:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:14:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3539 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2024-12-02 10:14:22,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:14:22,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491030951] [2024-12-02 10:14:22,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491030951] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:14:22,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:14:22,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:14:22,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276447931] [2024-12-02 10:14:22,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:14:22,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:14:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:14:22,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:14:22,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:14:22,873 INFO L87 Difference]: Start difference. First operand 54319 states and 75471 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 10:14:26,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:14:30,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:14:30,471 INFO L93 Difference]: Finished difference Result 160234 states and 222802 transitions. [2024-12-02 10:14:30,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:14:30,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 396 [2024-12-02 10:14:30,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:14:30,893 INFO L225 Difference]: With dead ends: 160234 [2024-12-02 10:14:30,893 INFO L226 Difference]: Without dead ends: 106044 [2024-12-02 10:14:31,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:14:31,072 INFO L435 NwaCegarLoop]: 5391 mSDtfsCounter, 3115 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3115 SdHoareTripleChecker+Valid, 8697 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:14:31,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3115 Valid, 8697 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 10:14:31,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106044 states. [2024-12-02 10:14:34,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106044 to 106040. [2024-12-02 10:14:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106040 states, 72047 states have (on average 1.2549169292267548) internal successors, (90413), 74277 states have internal predecessors, (90413), 27363 states have call successors, (27363), 6700 states have call predecessors, (27363), 6627 states have return successors, (29427), 26158 states have call predecessors, (29427), 27359 states have call successors, (29427) [2024-12-02 10:14:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106040 states to 106040 states and 147203 transitions. [2024-12-02 10:14:34,609 INFO L78 Accepts]: Start accepts. Automaton has 106040 states and 147203 transitions. Word has length 396 [2024-12-02 10:14:34,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:14:34,609 INFO L471 AbstractCegarLoop]: Abstraction has 106040 states and 147203 transitions. [2024-12-02 10:14:34,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 10:14:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand 106040 states and 147203 transitions. [2024-12-02 10:14:34,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-12-02 10:14:34,612 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:14:34,612 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:14:34,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 10:14:34,613 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)] === [2024-12-02 10:14:34,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:14:34,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1077080793, now seen corresponding path program 1 times [2024-12-02 10:14:34,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:14:34,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517747350] [2024-12-02 10:14:34,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:14:34,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:15:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:15:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3539 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3539 trivial. 0 not checked. [2024-12-02 10:15:01,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:15:01,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517747350] [2024-12-02 10:15:01,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517747350] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:15:01,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:15:01,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:15:01,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121865308] [2024-12-02 10:15:01,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:15:01,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:15:01,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:15:01,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:15:01,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:15:01,973 INFO L87 Difference]: Start difference. First operand 106040 states and 147203 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 10:15:05,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:15:05,016 INFO L93 Difference]: Finished difference Result 106046 states and 147208 transitions. [2024-12-02 10:15:05,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:15:05,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 396 [2024-12-02 10:15:05,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:15:05,428 INFO L225 Difference]: With dead ends: 106046 [2024-12-02 10:15:05,428 INFO L226 Difference]: Without dead ends: 106044 [2024-12-02 10:15:05,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:15:05,474 INFO L435 NwaCegarLoop]: 3342 mSDtfsCounter, 3250 mSDsluCounter, 6675 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 10017 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:15:05,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3251 Valid, 10017 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:15:05,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106044 states. [2024-12-02 10:15:08,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106044 to 106044. [2024-12-02 10:15:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106044 states, 72050 states have (on average 1.2549063150589868) internal successors, (90416), 74280 states have internal predecessors, (90416), 27363 states have call successors, (27363), 6701 states have call predecessors, (27363), 6628 states have return successors, (29427), 26158 states have call predecessors, (29427), 27359 states have call successors, (29427) [2024-12-02 10:15:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106044 states to 106044 states and 147206 transitions. [2024-12-02 10:15:09,393 INFO L78 Accepts]: Start accepts. Automaton has 106044 states and 147206 transitions. Word has length 396 [2024-12-02 10:15:09,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:15:09,394 INFO L471 AbstractCegarLoop]: Abstraction has 106044 states and 147206 transitions. [2024-12-02 10:15:09,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-12-02 10:15:09,394 INFO L276 IsEmpty]: Start isEmpty. Operand 106044 states and 147206 transitions. [2024-12-02 10:15:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-12-02 10:15:09,397 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:15:09,397 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:15:09,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 10:15:09,397 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 10:15:09,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:15:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1326546304, now seen corresponding path program 1 times [2024-12-02 10:15:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:15:09,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887194601] [2024-12-02 10:15:09,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:15:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:15:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:15:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3541 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3539 trivial. 0 not checked. [2024-12-02 10:15:38,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:15:38,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887194601] [2024-12-02 10:15:38,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887194601] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:15:38,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:15:38,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:15:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220042552] [2024-12-02 10:15:38,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:15:38,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:15:38,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:15:38,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:15:38,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:15:38,321 INFO L87 Difference]: Start difference. First operand 106044 states and 147206 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 10:15:43,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:15:43,204 INFO L93 Difference]: Finished difference Result 144200 states and 197799 transitions. [2024-12-02 10:15:43,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:15:43,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 401 [2024-12-02 10:15:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:15:43,995 INFO L225 Difference]: With dead ends: 144200 [2024-12-02 10:15:43,995 INFO L226 Difference]: Without dead ends: 144198 [2024-12-02 10:15:44,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:15:44,041 INFO L435 NwaCegarLoop]: 3587 mSDtfsCounter, 2867 mSDsluCounter, 8495 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 12082 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:15:44,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2868 Valid, 12082 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 10:15:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144198 states. [2024-12-02 10:15:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144198 to 144082. [2024-12-02 10:15:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144082 states, 96535 states have (on average 1.2464391153467653) internal successors, (120325), 100413 states have internal predecessors, (120325), 37131 states have call successors, (37131), 10926 states have call predecessors, (37131), 10413 states have return successors, (40227), 34370 states have call predecessors, (40227), 37127 states have call successors, (40227) [2024-12-02 10:15:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144082 states to 144082 states and 197683 transitions. [2024-12-02 10:15:51,888 INFO L78 Accepts]: Start accepts. Automaton has 144082 states and 197683 transitions. Word has length 401 [2024-12-02 10:15:51,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:15:51,890 INFO L471 AbstractCegarLoop]: Abstraction has 144082 states and 197683 transitions. [2024-12-02 10:15:51,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 10:15:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 144082 states and 197683 transitions. [2024-12-02 10:15:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2024-12-02 10:15:51,917 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:15:51,917 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:15:51,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 10:15:51,918 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)] === [2024-12-02 10:15:51,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:15:51,919 INFO L85 PathProgramCache]: Analyzing trace with hash 670326047, now seen corresponding path program 1 times [2024-12-02 10:15:51,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:15:51,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113723241] [2024-12-02 10:15:51,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:15:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:16:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:16:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3555 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3545 trivial. 0 not checked. [2024-12-02 10:16:22,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:16:22,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113723241] [2024-12-02 10:16:22,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113723241] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:16:22,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:16:22,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:16:22,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039002751] [2024-12-02 10:16:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:16:22,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:16:22,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:16:22,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:16:22,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:16:22,093 INFO L87 Difference]: Start difference. First operand 144082 states and 197683 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 10:16:26,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:16:34,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:16:34,241 INFO L93 Difference]: Finished difference Result 358831 states and 492553 transitions. [2024-12-02 10:16:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:16:34,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 414 [2024-12-02 10:16:34,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:16:35,472 INFO L225 Difference]: With dead ends: 358831 [2024-12-02 10:16:35,472 INFO L226 Difference]: Without dead ends: 214878 [2024-12-02 10:16:35,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:16:35,970 INFO L435 NwaCegarLoop]: 6458 mSDtfsCounter, 3141 mSDsluCounter, 3308 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3141 SdHoareTripleChecker+Valid, 9766 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:16:35,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3141 Valid, 9766 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 10:16:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214878 states. [2024-12-02 10:16:45,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214878 to 214852. [2024-12-02 10:16:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214852 states, 144010 states have (on average 1.246107909172974) internal successors, (179452), 149722 states have internal predecessors, (179452), 55293 states have call successors, (55293), 16307 states have call predecessors, (55293), 15546 states have return successors, (59939), 51264 states have call predecessors, (59939), 55289 states have call successors, (59939) [2024-12-02 10:16:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214852 states to 214852 states and 294684 transitions. [2024-12-02 10:16:46,918 INFO L78 Accepts]: Start accepts. Automaton has 214852 states and 294684 transitions. Word has length 414 [2024-12-02 10:16:46,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:16:46,920 INFO L471 AbstractCegarLoop]: Abstraction has 214852 states and 294684 transitions. [2024-12-02 10:16:46,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-12-02 10:16:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 214852 states and 294684 transitions. [2024-12-02 10:16:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2024-12-02 10:16:46,940 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:16:46,941 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:16:46,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 10:16:46,942 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)] === [2024-12-02 10:16:46,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:16:46,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1955949433, now seen corresponding path program 1 times [2024-12-02 10:16:46,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:16:46,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657371250] [2024-12-02 10:16:46,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:16:46,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:17:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:17:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3547 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3543 trivial. 0 not checked. [2024-12-02 10:17:18,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:17:18,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657371250] [2024-12-02 10:17:18,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657371250] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:17:18,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:17:18,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:17:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723760205] [2024-12-02 10:17:18,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:17:18,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:17:18,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:17:18,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:17:18,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:17:18,267 INFO L87 Difference]: Start difference. First operand 214852 states and 294684 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 10:17:25,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:17:25,572 INFO L93 Difference]: Finished difference Result 214858 states and 294689 transitions. [2024-12-02 10:17:25,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:17:25,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 406 [2024-12-02 10:17:25,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:17:26,475 INFO L225 Difference]: With dead ends: 214858 [2024-12-02 10:17:26,476 INFO L226 Difference]: Without dead ends: 214856 [2024-12-02 10:17:26,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:17:26,560 INFO L435 NwaCegarLoop]: 3345 mSDtfsCounter, 3245 mSDsluCounter, 6676 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 10021 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:17:26,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 10021 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:17:26,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214856 states. [2024-12-02 10:17:36,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214856 to 214856. [2024-12-02 10:17:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214856 states, 144013 states have (on average 1.2461027823877011) internal successors, (179455), 149725 states have internal predecessors, (179455), 55293 states have call successors, (55293), 16308 states have call predecessors, (55293), 15547 states have return successors, (59939), 51264 states have call predecessors, (59939), 55289 states have call successors, (59939) [2024-12-02 10:17:37,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214856 states to 214856 states and 294687 transitions. [2024-12-02 10:17:37,405 INFO L78 Accepts]: Start accepts. Automaton has 214856 states and 294687 transitions. Word has length 406 [2024-12-02 10:17:37,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:17:37,406 INFO L471 AbstractCegarLoop]: Abstraction has 214856 states and 294687 transitions. [2024-12-02 10:17:37,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-12-02 10:17:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 214856 states and 294687 transitions. [2024-12-02 10:17:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-12-02 10:17:37,411 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:17:37,411 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:17:37,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 10:17:37,411 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)] === [2024-12-02 10:17:37,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:17:37,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1581726048, now seen corresponding path program 1 times [2024-12-02 10:17:37,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:17:37,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844423214] [2024-12-02 10:17:37,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:17:37,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:18:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:18:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3557 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3551 trivial. 0 not checked. [2024-12-02 10:18:06,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:18:06,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844423214] [2024-12-02 10:18:06,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844423214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:18:06,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:18:06,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:18:06,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827230347] [2024-12-02 10:18:06,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:18:06,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:18:06,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:18:06,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:18:06,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:18:06,341 INFO L87 Difference]: Start difference. First operand 214856 states and 294687 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 10:18:13,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:18:13,859 INFO L93 Difference]: Finished difference Result 214862 states and 294692 transitions. [2024-12-02 10:18:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:18:13,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 411 [2024-12-02 10:18:13,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:18:14,669 INFO L225 Difference]: With dead ends: 214862 [2024-12-02 10:18:14,669 INFO L226 Difference]: Without dead ends: 214860 [2024-12-02 10:18:14,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:18:14,743 INFO L435 NwaCegarLoop]: 3345 mSDtfsCounter, 3244 mSDsluCounter, 6676 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3245 SdHoareTripleChecker+Valid, 10021 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:18:14,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3245 Valid, 10021 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:18:14,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214860 states. [2024-12-02 10:18:25,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214860 to 214860. [2024-12-02 10:18:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214860 states, 144016 states have (on average 1.2460976558160204) internal successors, (179458), 149728 states have internal predecessors, (179458), 55293 states have call successors, (55293), 16309 states have call predecessors, (55293), 15548 states have return successors, (59939), 51264 states have call predecessors, (59939), 55289 states have call successors, (59939) [2024-12-02 10:18:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214860 states to 214860 states and 294690 transitions. [2024-12-02 10:18:26,613 INFO L78 Accepts]: Start accepts. Automaton has 214860 states and 294690 transitions. Word has length 411 [2024-12-02 10:18:26,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:18:26,614 INFO L471 AbstractCegarLoop]: Abstraction has 214860 states and 294690 transitions. [2024-12-02 10:18:26,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 10:18:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 214860 states and 294690 transitions. [2024-12-02 10:18:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2024-12-02 10:18:26,621 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:18:26,621 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:18:26,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 10:18:26,621 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)] === [2024-12-02 10:18:26,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:18:26,622 INFO L85 PathProgramCache]: Analyzing trace with hash -918547481, now seen corresponding path program 1 times [2024-12-02 10:18:26,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:18:26,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954257704] [2024-12-02 10:18:26,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:18:26,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:18:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:18:57,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3571 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3563 trivial. 0 not checked. [2024-12-02 10:18:57,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:18:57,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954257704] [2024-12-02 10:18:57,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954257704] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:18:57,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:18:57,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:18:57,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043737028] [2024-12-02 10:18:57,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:18:57,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:18:57,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:18:57,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:18:57,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:18:57,708 INFO L87 Difference]: Start difference. First operand 214860 states and 294690 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-12-02 10:19:05,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:19:05,743 INFO L93 Difference]: Finished difference Result 214866 states and 294695 transitions. [2024-12-02 10:19:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:19:05,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 416 [2024-12-02 10:19:05,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:19:06,814 INFO L225 Difference]: With dead ends: 214866 [2024-12-02 10:19:06,814 INFO L226 Difference]: Without dead ends: 214864 [2024-12-02 10:19:06,925 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:19:06,926 INFO L435 NwaCegarLoop]: 3345 mSDtfsCounter, 3243 mSDsluCounter, 6676 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3244 SdHoareTripleChecker+Valid, 10021 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:19:06,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3244 Valid, 10021 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 10:19:07,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214864 states. [2024-12-02 10:19:18,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214864 to 214864. [2024-12-02 10:19:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214864 states, 144019 states have (on average 1.2460925294579188) internal successors, (179461), 149731 states have internal predecessors, (179461), 55293 states have call successors, (55293), 16310 states have call predecessors, (55293), 15549 states have return successors, (59939), 51264 states have call predecessors, (59939), 55289 states have call successors, (59939) [2024-12-02 10:19:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214864 states to 214864 states and 294693 transitions. [2024-12-02 10:19:19,888 INFO L78 Accepts]: Start accepts. Automaton has 214864 states and 294693 transitions. Word has length 416 [2024-12-02 10:19:19,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:19:19,889 INFO L471 AbstractCegarLoop]: Abstraction has 214864 states and 294693 transitions. [2024-12-02 10:19:19,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-12-02 10:19:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 214864 states and 294693 transitions. [2024-12-02 10:19:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2024-12-02 10:19:19,893 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:19:19,893 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:19:19,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 10:19:19,893 INFO L396 AbstractCegarLoop]: === Iteration 14 === 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)] === [2024-12-02 10:19:19,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:19:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash -771215602, now seen corresponding path program 1 times [2024-12-02 10:19:19,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:19:19,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725687913] [2024-12-02 10:19:19,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:19:19,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:19:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:19:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2024-12-02 10:19:49,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:19:49,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725687913] [2024-12-02 10:19:49,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725687913] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:19:49,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:19:49,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:19:49,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706161920] [2024-12-02 10:19:49,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:19:49,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:19:49,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:19:49,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:19:49,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:19:49,408 INFO L87 Difference]: Start difference. First operand 214864 states and 294693 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 10:19:53,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 10:20:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:20:10,731 INFO L93 Difference]: Finished difference Result 519880 states and 713049 transitions. [2024-12-02 10:20:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:20:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 416 [2024-12-02 10:20:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:20:12,193 INFO L225 Difference]: With dead ends: 519880 [2024-12-02 10:20:12,193 INFO L226 Difference]: Without dead ends: 305145 [2024-12-02 10:20:12,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:20:12,989 INFO L435 NwaCegarLoop]: 3793 mSDtfsCounter, 3079 mSDsluCounter, 3274 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3079 SdHoareTripleChecker+Valid, 7067 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 10:20:12,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3079 Valid, 7067 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 10:20:13,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305145 states. [2024-12-02 10:20:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305145 to 305074. [2024-12-02 10:20:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305074 states, 204828 states have (on average 1.2459722303591305) internal successors, (255210), 212938 states have internal predecessors, (255210), 78075 states have call successors, (78075), 23209 states have call predecessors, (78075), 22168 states have return successors, (84443), 72418 states have call predecessors, (84443), 78071 states have call successors, (84443) [2024-12-02 10:20:32,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305074 states to 305074 states and 417728 transitions. [2024-12-02 10:20:32,582 INFO L78 Accepts]: Start accepts. Automaton has 305074 states and 417728 transitions. Word has length 416 [2024-12-02 10:20:32,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:20:32,583 INFO L471 AbstractCegarLoop]: Abstraction has 305074 states and 417728 transitions. [2024-12-02 10:20:32,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 10:20:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 305074 states and 417728 transitions. [2024-12-02 10:20:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2024-12-02 10:20:32,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:20:32,587 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:20:32,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 10:20:32,587 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)] === [2024-12-02 10:20:32,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:20:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash 478548672, now seen corresponding path program 1 times [2024-12-02 10:20:32,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:20:32,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732403950] [2024-12-02 10:20:32,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:20:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:21:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:21:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3589 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3579 trivial. 0 not checked. [2024-12-02 10:21:03,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:21:03,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732403950] [2024-12-02 10:21:03,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732403950] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:21:03,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:21:03,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 10:21:03,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337081835] [2024-12-02 10:21:03,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:21:03,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 10:21:03,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:21:03,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 10:21:03,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:21:03,084 INFO L87 Difference]: Start difference. First operand 305074 states and 417728 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42)