./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-net-ethernet-sun-sunhme.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_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/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_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/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-net-ethernet-sun-sunhme.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/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_49ab874e-944d-482d-944e-1058b32dde77/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 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:41:25,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:41:25,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:41:25,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:41:25,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:41:25,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:41:25,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:41:25,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:41:25,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:41:25,255 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:41:25,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:41:25,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:41:25,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:41:25,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:41:25,256 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:41:25,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:41:25,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:41:25,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:41:25,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:41:25,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:41:25,257 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:25,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:25,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:25,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:41:25,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:41:25,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:41:25,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:41:25,259 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_49ab874e-944d-482d-944e-1058b32dde77/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 -> 2754d1ad46049a17f9b43992f91364cab029d3fcf93c78791853a365602d9e1a [2024-12-02 15:41:25,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:41:25,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:41:25,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:41:25,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:41:25,504 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:41:25,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 15:41:28,217 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/data/8f0f3e1fb/ab2c75b87f734564ac7fd94af8fd0808/FLAG58302eba5 [2024-12-02 15:41:28,670 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:41:28,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 15:41:28,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/data/8f0f3e1fb/ab2c75b87f734564ac7fd94af8fd0808/FLAG58302eba5 [2024-12-02 15:41:28,715 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/data/8f0f3e1fb/ab2c75b87f734564ac7fd94af8fd0808 [2024-12-02 15:41:28,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:41:28,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:41:28,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:28,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:41:28,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:41:28,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:28" (1/1) ... [2024-12-02 15:41:28,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f61bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:28, skipping insertion in model container [2024-12-02 15:41:28,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:41:28" (1/1) ... [2024-12-02 15:41:28,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:41:30,927 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2024-12-02 15:41:30,930 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2024-12-02 15:41:30,930 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2024-12-02 15:41:30,930 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2024-12-02 15:41:30,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:30,978 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:41:31,064 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"); [5282] [2024-12-02 15:41:31,066 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)); [5289] [2024-12-02 15:41:31,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5296] [2024-12-02 15:41:31,068 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)); [5351-5352] [2024-12-02 15:41:31,069 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"); [5357-5359] [2024-12-02 15:41:31,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5476] [2024-12-02 15:41:31,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5484] [2024-12-02 15:41:31,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5491] [2024-12-02 15:41:31,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5619-5620] [2024-12-02 15:41:31,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5653-5654] [2024-12-02 15:41:31,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (79), "i" (12UL)); [5694-5695] [2024-12-02 15:41:31,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (91), "i" (12UL)); [5723-5724] [2024-12-02 15:41:31,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5760-5761] [2024-12-02 15:41:31,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5797-5798] [2024-12-02 15:41:31,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6743] [2024-12-02 15:41:31,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7514] [2024-12-02 15:41:31,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7524] [2024-12-02 15:41:31,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7539] [2024-12-02 15:41:31,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8325] [2024-12-02 15:41:31,161 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8358] [2024-12-02 15:41:31,162 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8381] [2024-12-02 15:41:31,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8622] [2024-12-02 15:41:31,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8652] [2024-12-02 15:41:31,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8665] [2024-12-02 15:41:31,265 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347312,347325] [2024-12-02 15:41:31,265 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347481,347494] [2024-12-02 15:41:31,265 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347648,347661] [2024-12-02 15:41:31,265 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_49ab874e-944d-482d-944e-1058b32dde77/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[347816,347829] [2024-12-02 15:41:31,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:41:31,405 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:41:31,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31 WrapperNode [2024-12-02 15:41:31,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:41:31,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:31,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:41:31,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:41:31,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:31,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:31,636 INFO L138 Inliner]: procedures = 446, calls = 2177, calls flagged for inlining = 218, calls inlined = 201, statements flattened = 6177 [2024-12-02 15:41:31,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:41:31,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:41:31,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:41:31,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:41:31,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:31,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:31,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,603 INFO L175 MemorySlicer]: Split 1001 memory accesses to 20 slices as follows [54, 3, 15, 4, 4, 7, 4, 7, 7, 8, 1, 7, 7, 1, 2, 2, 2, 785, 71, 10]. 78 percent of accesses are in the largest equivalence class. The 92 initializations are split as follows [0, 1, 15, 0, 4, 7, 4, 0, 7, 8, 0, 7, 0, 1, 0, 2, 0, 30, 0, 6]. The 450 writes are split as follows [42, 0, 0, 4, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 1, 0, 1, 326, 71, 1]. [2024-12-02 15:41:32,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:41:32,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:41:32,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:41:32,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:41:32,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (1/1) ... [2024-12-02 15:41:32,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:41:32,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:41:32,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:41:32,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ab874e-944d-482d-944e-1058b32dde77/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2024-12-02 15:41:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 15:41:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2024-12-02 15:41:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2024-12-02 15:41:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:41:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-12-02 15:41:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-12-02 15:41:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:41:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:41:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:41:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 15:41:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:41:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 15:41:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 15:41:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 15:41:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 15:41:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2024-12-02 15:41:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-12-02 15:41:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2024-12-02 15:41:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:41:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 15:41:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:41:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:41:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:41:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 15:41:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2024-12-02 15:41:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:41:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:41:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 15:41:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 15:41:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-12-02 15:41:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2024-12-02 15:41:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:41:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2024-12-02 15:41:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-12-02 15:41:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-12-02 15:41:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-12-02 15:41:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-12-02 15:41:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-12-02 15:41:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-12-02 15:41:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-12-02 15:41:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#18 [2024-12-02 15:41:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#19 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-12-02 15:41:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-12-02 15:41:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#18 [2024-12-02 15:41:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#19 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 15:41:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2024-12-02 15:41:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:41:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:41:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:41:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:41:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-12-02 15:41:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 15:41:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2024-12-02 15:41:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_happy_meal_exit_14_2 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 15:41:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 15:41:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 15:41:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 15:41:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 15:41:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 15:41:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 15:41:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 15:41:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 15:41:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-12-02 15:41:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2024-12-02 15:41:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-12-02 15:41:32,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 15:41:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2024-12-02 15:41:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 15:41:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:41:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2024-12-02 15:41:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:41:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:41:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 15:41:32,892 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2024-12-02 15:41:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:41:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:41:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2024-12-02 15:41:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-12-02 15:41:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:41:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 15:41:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 15:41:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 15:41:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 15:41:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2024-12-02 15:41:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2024-12-02 15:41:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 15:41:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 15:41:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-12-02 15:41:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-12-02 15:41:32,894 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2024-12-02 15:41:32,894 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2024-12-02 15:41:33,764 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:41:33,766 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:41:33,943 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:41:44,611 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 15:41:45,752 INFO L? ?]: Removed 2863 outVars from TransFormulas that were not future-live. [2024-12-02 15:41:45,752 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:41:45,798 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:41:45,799 INFO L312 CfgBuilder]: Removed 21 assume(true) statements. [2024-12-02 15:41:45,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:45 BoogieIcfgContainer [2024-12-02 15:41:45,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:41:45,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:41:45,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:41:45,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:41:45,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:41:28" (1/3) ... [2024-12-02 15:41:45,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41216d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:45, skipping insertion in model container [2024-12-02 15:41:45,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:41:31" (2/3) ... [2024-12-02 15:41:45,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41216d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:41:45, skipping insertion in model container [2024-12-02 15:41:45,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:41:45" (3/3) ... [2024-12-02 15:41:45,808 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2024-12-02 15:41:45,822 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:41:45,825 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-sun-sunhme.cil.i that has 130 procedures, 2888 locations, 1 initial locations, 43 loop locations, and 3 error locations. [2024-12-02 15:41:45,929 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:41:45,939 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;@2d691adf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:41:45,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 15:41:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand has 2719 states, 1989 states have (on average 1.3700351935646053) internal successors, (2725), 2025 states have internal predecessors, (2725), 636 states have call successors, (636), 92 states have call predecessors, (636), 91 states have return successors, (630), 619 states have call predecessors, (630), 630 states have call successors, (630) [2024-12-02 15:41:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 15:41:45,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:45,964 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:45,964 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:41:45,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:45,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1227018640, now seen corresponding path program 1 times [2024-12-02 15:41:45,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:45,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650699149] [2024-12-02 15:41:45,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:45,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:41:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:41:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:41:51,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:41:51,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650699149] [2024-12-02 15:41:51,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650699149] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:41:51,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:41:51,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:41:51,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942628442] [2024-12-02 15:41:51,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:41:51,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:41:51,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:41:51,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:41:51,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:41:51,793 INFO L87 Difference]: Start difference. First operand has 2719 states, 1989 states have (on average 1.3700351935646053) internal successors, (2725), 2025 states have internal predecessors, (2725), 636 states have call successors, (636), 92 states have call predecessors, (636), 91 states have return successors, (630), 619 states have call predecessors, (630), 630 states have call successors, (630) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:41:55,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:41:56,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:41:56,729 INFO L93 Difference]: Finished difference Result 8013 states and 12049 transitions. [2024-12-02 15:41:56,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:41:56,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2024-12-02 15:41:56,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:41:56,785 INFO L225 Difference]: With dead ends: 8013 [2024-12-02 15:41:56,785 INFO L226 Difference]: Without dead ends: 5305 [2024-12-02 15:41:56,813 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 15:41:56,815 INFO L435 NwaCegarLoop]: 3954 mSDtfsCounter, 3805 mSDsluCounter, 3880 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 7834 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:41:56,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3805 Valid, 7834 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:41:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5305 states. [2024-12-02 15:41:57,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5305 to 5301. [2024-12-02 15:41:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5301 states, 3901 states have (on average 1.3468341450910024) internal successors, (5254), 3972 states have internal predecessors, (5254), 1219 states have call successors, (1219), 179 states have call predecessors, (1219), 178 states have return successors, (1215), 1193 states have call predecessors, (1215), 1215 states have call successors, (1215) [2024-12-02 15:41:57,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 7688 transitions. [2024-12-02 15:41:57,217 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 7688 transitions. Word has length 116 [2024-12-02 15:41:57,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:41:57,218 INFO L471 AbstractCegarLoop]: Abstraction has 5301 states and 7688 transitions. [2024-12-02 15:41:57,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:41:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 7688 transitions. [2024-12-02 15:41:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:41:57,223 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:41:57,223 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:57,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:41:57,223 INFO L396 AbstractCegarLoop]: === Iteration 2 === 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 15:41:57,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:41:57,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1862565682, now seen corresponding path program 1 times [2024-12-02 15:41:57,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:41:57,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902770847] [2024-12-02 15:41:57,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:41:57,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:02,852 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:42:02,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:02,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902770847] [2024-12-02 15:42:02,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902770847] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:02,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:02,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:02,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412370504] [2024-12-02 15:42:02,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:02,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:02,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:02,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:02,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:02,855 INFO L87 Difference]: Start difference. First operand 5301 states and 7688 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:42:06,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:42:07,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:07,664 INFO L93 Difference]: Finished difference Result 14445 states and 20880 transitions. [2024-12-02 15:42:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:07,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2024-12-02 15:42:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:07,712 INFO L225 Difference]: With dead ends: 14445 [2024-12-02 15:42:07,712 INFO L226 Difference]: Without dead ends: 9165 [2024-12-02 15:42:07,734 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 15:42:07,735 INFO L435 NwaCegarLoop]: 4380 mSDtfsCounter, 3499 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 7598 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:07,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3499 Valid, 7598 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:42:07,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9165 states. [2024-12-02 15:42:08,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9165 to 9133. [2024-12-02 15:42:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9133 states, 6725 states have (on average 1.3427509293680298) internal successors, (9030), 6857 states have internal predecessors, (9030), 2070 states have call successors, (2070), 346 states have call predecessors, (2070), 335 states have return successors, (2076), 2001 states have call predecessors, (2076), 2066 states have call successors, (2076) [2024-12-02 15:42:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9133 states to 9133 states and 13176 transitions. [2024-12-02 15:42:08,223 INFO L78 Accepts]: Start accepts. Automaton has 9133 states and 13176 transitions. Word has length 117 [2024-12-02 15:42:08,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:08,224 INFO L471 AbstractCegarLoop]: Abstraction has 9133 states and 13176 transitions. [2024-12-02 15:42:08,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:42:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 9133 states and 13176 transitions. [2024-12-02 15:42:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:42:08,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:08,231 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:08,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:42:08,232 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 15:42:08,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:08,233 INFO L85 PathProgramCache]: Analyzing trace with hash 491653407, now seen corresponding path program 1 times [2024-12-02 15:42:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:08,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799224385] [2024-12-02 15:42:08,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:42:14,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:14,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799224385] [2024-12-02 15:42:14,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799224385] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:14,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:14,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:14,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986214373] [2024-12-02 15:42:14,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:14,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:14,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:14,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:14,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:14,011 INFO L87 Difference]: Start difference. First operand 9133 states and 13176 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:42:18,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:42:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:19,270 INFO L93 Difference]: Finished difference Result 26075 states and 37640 transitions. [2024-12-02 15:42:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:19,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 121 [2024-12-02 15:42:19,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:19,363 INFO L225 Difference]: With dead ends: 26075 [2024-12-02 15:42:19,363 INFO L226 Difference]: Without dead ends: 16963 [2024-12-02 15:42:19,396 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 15:42:19,397 INFO L435 NwaCegarLoop]: 4123 mSDtfsCounter, 3458 mSDsluCounter, 3819 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3458 SdHoareTripleChecker+Valid, 7942 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:19,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3458 Valid, 7942 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 15:42:19,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16963 states. [2024-12-02 15:42:19,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16963 to 16931. [2024-12-02 15:42:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16931 states, 12435 states have (on average 1.3449135504624046) internal successors, (16724), 12685 states have internal predecessors, (16724), 3844 states have call successors, (3844), 672 states have call predecessors, (3844), 649 states have return successors, (3864), 3703 states have call predecessors, (3864), 3840 states have call successors, (3864) [2024-12-02 15:42:19,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16931 states to 16931 states and 24432 transitions. [2024-12-02 15:42:19,940 INFO L78 Accepts]: Start accepts. Automaton has 16931 states and 24432 transitions. Word has length 121 [2024-12-02 15:42:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:19,941 INFO L471 AbstractCegarLoop]: Abstraction has 16931 states and 24432 transitions. [2024-12-02 15:42:19,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:42:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 16931 states and 24432 transitions. [2024-12-02 15:42:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-02 15:42:19,944 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:19,944 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:19,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:42:19,944 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 15:42:19,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:19,945 INFO L85 PathProgramCache]: Analyzing trace with hash -52514052, now seen corresponding path program 1 times [2024-12-02 15:42:19,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:19,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111731195] [2024-12-02 15:42:19,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:19,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:42:25,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:25,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111731195] [2024-12-02 15:42:25,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111731195] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:25,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:25,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:25,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112770241] [2024-12-02 15:42:25,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:25,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:25,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:25,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:25,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:25,200 INFO L87 Difference]: Start difference. First operand 16931 states and 24432 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:42:29,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:42:30,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:30,686 INFO L93 Difference]: Finished difference Result 33741 states and 48698 transitions. [2024-12-02 15:42:30,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:30,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2024-12-02 15:42:30,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:30,766 INFO L225 Difference]: With dead ends: 33741 [2024-12-02 15:42:30,766 INFO L226 Difference]: Without dead ends: 16831 [2024-12-02 15:42:30,832 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 15:42:30,833 INFO L435 NwaCegarLoop]: 4370 mSDtfsCounter, 2994 mSDsluCounter, 3845 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 8215 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:30,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 8215 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:42:30,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16831 states. [2024-12-02 15:42:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16831 to 16799. [2024-12-02 15:42:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16799 states, 12317 states have (on average 1.342534708126979) internal successors, (16536), 12563 states have internal predecessors, (16536), 3807 states have call successors, (3807), 695 states have call predecessors, (3807), 672 states have return successors, (3815), 3671 states have call predecessors, (3815), 3803 states have call successors, (3815) [2024-12-02 15:42:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16799 states to 16799 states and 24158 transitions. [2024-12-02 15:42:31,773 INFO L78 Accepts]: Start accepts. Automaton has 16799 states and 24158 transitions. Word has length 126 [2024-12-02 15:42:31,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:31,773 INFO L471 AbstractCegarLoop]: Abstraction has 16799 states and 24158 transitions. [2024-12-02 15:42:31,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-12-02 15:42:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 16799 states and 24158 transitions. [2024-12-02 15:42:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-02 15:42:31,775 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:31,775 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:31,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:42:31,775 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 15:42:31,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:31,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1392185780, now seen corresponding path program 1 times [2024-12-02 15:42:31,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:31,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013003350] [2024-12-02 15:42:31,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:31,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-02 15:42:36,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:36,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013003350] [2024-12-02 15:42:36,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013003350] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:36,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:36,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:36,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089272182] [2024-12-02 15:42:36,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:36,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:36,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:36,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:36,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:36,945 INFO L87 Difference]: Start difference. First operand 16799 states and 24158 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:42:40,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:42:41,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:41,950 INFO L93 Difference]: Finished difference Result 43916 states and 63093 transitions. [2024-12-02 15:42:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:41,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 128 [2024-12-02 15:42:41,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:42,160 INFO L225 Difference]: With dead ends: 43916 [2024-12-02 15:42:42,160 INFO L226 Difference]: Without dead ends: 27138 [2024-12-02 15:42:42,220 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 15:42:42,221 INFO L435 NwaCegarLoop]: 3971 mSDtfsCounter, 3355 mSDsluCounter, 3893 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 7864 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:42,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3355 Valid, 7864 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:42:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27138 states. [2024-12-02 15:42:43,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27138 to 27076. [2024-12-02 15:42:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27076 states, 19715 states have (on average 1.3357849353284301) internal successors, (26335), 20155 states have internal predecessors, (26335), 6219 states have call successors, (6219), 1180 states have call predecessors, (6219), 1139 states have return successors, (6299), 5959 states have call predecessors, (6299), 6215 states have call successors, (6299) [2024-12-02 15:42:43,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27076 states to 27076 states and 38853 transitions. [2024-12-02 15:42:43,644 INFO L78 Accepts]: Start accepts. Automaton has 27076 states and 38853 transitions. Word has length 128 [2024-12-02 15:42:43,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:43,645 INFO L471 AbstractCegarLoop]: Abstraction has 27076 states and 38853 transitions. [2024-12-02 15:42:43,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-12-02 15:42:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 27076 states and 38853 transitions. [2024-12-02 15:42:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 15:42:43,646 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:43,647 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:42:43,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:42:43,647 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 15:42:43,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:43,647 INFO L85 PathProgramCache]: Analyzing trace with hash -552210996, now seen corresponding path program 1 times [2024-12-02 15:42:43,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:43,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123831374] [2024-12-02 15:42:43,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:43,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:42:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:42:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-12-02 15:42:48,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:42:48,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123831374] [2024-12-02 15:42:48,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123831374] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:42:48,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:42:48,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:42:48,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669286943] [2024-12-02 15:42:48,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:42:48,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:42:48,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:42:48,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:42:48,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:42:48,403 INFO L87 Difference]: Start difference. First operand 27076 states and 38853 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 15:42:52,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:42:53,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:42:53,740 INFO L93 Difference]: Finished difference Result 78152 states and 112178 transitions. [2024-12-02 15:42:53,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:42:53,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 140 [2024-12-02 15:42:53,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:42:53,932 INFO L225 Difference]: With dead ends: 78152 [2024-12-02 15:42:53,932 INFO L226 Difference]: Without dead ends: 51097 [2024-12-02 15:42:54,018 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 15:42:54,019 INFO L435 NwaCegarLoop]: 4945 mSDtfsCounter, 3868 mSDsluCounter, 3904 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 8849 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:42:54,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 8849 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:42:54,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51097 states. [2024-12-02 15:42:55,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51097 to 51039. [2024-12-02 15:42:55,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51039 states, 37182 states have (on average 1.335538701522242) internal successors, (49658), 38036 states have internal predecessors, (49658), 11707 states have call successors, (11707), 2228 states have call predecessors, (11707), 2147 states have return successors, (11871), 11182 states have call predecessors, (11871), 11703 states have call successors, (11871) [2024-12-02 15:42:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51039 states to 51039 states and 73236 transitions. [2024-12-02 15:42:55,448 INFO L78 Accepts]: Start accepts. Automaton has 51039 states and 73236 transitions. Word has length 140 [2024-12-02 15:42:55,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:42:55,448 INFO L471 AbstractCegarLoop]: Abstraction has 51039 states and 73236 transitions. [2024-12-02 15:42:55,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-12-02 15:42:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 51039 states and 73236 transitions. [2024-12-02 15:42:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 15:42:55,450 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:42:55,450 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:42:55,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:42:55,450 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 15:42:55,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:42:55,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2110791924, now seen corresponding path program 1 times [2024-12-02 15:42:55,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:42:55,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718526650] [2024-12-02 15:42:55,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:42:55,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-12-02 15:43:00,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:00,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718526650] [2024-12-02 15:43:00,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718526650] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:00,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:00,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:43:00,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064285851] [2024-12-02 15:43:00,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:00,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:43:00,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:00,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:43:00,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:43:00,593 INFO L87 Difference]: Start difference. First operand 51039 states and 73236 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:43:01,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:01,574 INFO L93 Difference]: Finished difference Result 102001 states and 146381 transitions. [2024-12-02 15:43:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:43:01,574 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), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 159 [2024-12-02 15:43:01,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:01,852 INFO L225 Difference]: With dead ends: 102001 [2024-12-02 15:43:01,852 INFO L226 Difference]: Without dead ends: 51039 [2024-12-02 15:43:02,023 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 15:43:02,023 INFO L435 NwaCegarLoop]: 3918 mSDtfsCounter, 0 mSDsluCounter, 3914 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7832 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:02,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7832 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:43:02,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51039 states. [2024-12-02 15:43:03,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51039 to 51039. [2024-12-02 15:43:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51039 states, 37182 states have (on average 1.3346780700338874) internal successors, (49626), 38036 states have internal predecessors, (49626), 11707 states have call successors, (11707), 2228 states have call predecessors, (11707), 2147 states have return successors, (11871), 11182 states have call predecessors, (11871), 11703 states have call successors, (11871) [2024-12-02 15:43:03,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51039 states to 51039 states and 73204 transitions. [2024-12-02 15:43:03,410 INFO L78 Accepts]: Start accepts. Automaton has 51039 states and 73204 transitions. Word has length 159 [2024-12-02 15:43:03,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:03,410 INFO L471 AbstractCegarLoop]: Abstraction has 51039 states and 73204 transitions. [2024-12-02 15:43:03,410 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), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:43:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 51039 states and 73204 transitions. [2024-12-02 15:43:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-02 15:43:03,412 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:03,412 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 15:43:03,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:43:03,412 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 15:43:03,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:03,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2020170728, now seen corresponding path program 1 times [2024-12-02 15:43:03,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:03,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058129040] [2024-12-02 15:43:03,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:03,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 15:43:09,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:09,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058129040] [2024-12-02 15:43:09,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058129040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:09,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:09,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:09,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767622207] [2024-12-02 15:43:09,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:09,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:09,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:09,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:09,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:09,020 INFO L87 Difference]: Start difference. First operand 51039 states and 73204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:43:10,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:10,290 INFO L93 Difference]: Finished difference Result 51045 states and 73209 transitions. [2024-12-02 15:43:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:10,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 175 [2024-12-02 15:43:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:10,479 INFO L225 Difference]: With dead ends: 51045 [2024-12-02 15:43:10,479 INFO L226 Difference]: Without dead ends: 51043 [2024-12-02 15:43:10,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:10,499 INFO L435 NwaCegarLoop]: 3916 mSDtfsCounter, 3867 mSDsluCounter, 7818 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 11734 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:10,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 11734 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:43:10,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51043 states. [2024-12-02 15:43:11,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51043 to 51043. [2024-12-02 15:43:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51043 states, 37185 states have (on average 1.334651068979427) internal successors, (49629), 38039 states have internal predecessors, (49629), 11707 states have call successors, (11707), 2229 states have call predecessors, (11707), 2148 states have return successors, (11871), 11182 states have call predecessors, (11871), 11703 states have call successors, (11871) [2024-12-02 15:43:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51043 states to 51043 states and 73207 transitions. [2024-12-02 15:43:11,806 INFO L78 Accepts]: Start accepts. Automaton has 51043 states and 73207 transitions. Word has length 175 [2024-12-02 15:43:11,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:11,806 INFO L471 AbstractCegarLoop]: Abstraction has 51043 states and 73207 transitions. [2024-12-02 15:43:11,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:43:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 51043 states and 73207 transitions. [2024-12-02 15:43:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-12-02 15:43:11,808 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:11,808 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 15:43:11,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:43:11,808 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 15:43:11,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:11,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1298220375, now seen corresponding path program 1 times [2024-12-02 15:43:11,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:11,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998763013] [2024-12-02 15:43:11,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:11,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-12-02 15:43:17,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:17,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998763013] [2024-12-02 15:43:17,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998763013] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:17,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:17,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:17,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914970221] [2024-12-02 15:43:17,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:17,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:17,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:17,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:17,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:17,021 INFO L87 Difference]: Start difference. First operand 51043 states and 73207 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:43:18,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:18,319 INFO L93 Difference]: Finished difference Result 51049 states and 73212 transitions. [2024-12-02 15:43:18,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:18,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 180 [2024-12-02 15:43:18,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:18,484 INFO L225 Difference]: With dead ends: 51049 [2024-12-02 15:43:18,485 INFO L226 Difference]: Without dead ends: 51047 [2024-12-02 15:43:18,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:18,508 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3863 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:18,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3864 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:43:18,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51047 states. [2024-12-02 15:43:19,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51047 to 51047. [2024-12-02 15:43:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51047 states, 37188 states have (on average 1.3346240722813811) internal successors, (49632), 38042 states have internal predecessors, (49632), 11707 states have call successors, (11707), 2230 states have call predecessors, (11707), 2149 states have return successors, (11871), 11182 states have call predecessors, (11871), 11703 states have call successors, (11871) [2024-12-02 15:43:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51047 states to 51047 states and 73210 transitions. [2024-12-02 15:43:20,094 INFO L78 Accepts]: Start accepts. Automaton has 51047 states and 73210 transitions. Word has length 180 [2024-12-02 15:43:20,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:20,095 INFO L471 AbstractCegarLoop]: Abstraction has 51047 states and 73210 transitions. [2024-12-02 15:43:20,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:43:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 51047 states and 73210 transitions. [2024-12-02 15:43:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-02 15:43:20,096 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:20,097 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 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] [2024-12-02 15:43:20,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:43:20,097 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 15:43:20,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:20,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1116243016, now seen corresponding path program 1 times [2024-12-02 15:43:20,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:20,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643977899] [2024-12-02 15:43:20,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:20,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-12-02 15:43:25,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:25,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643977899] [2024-12-02 15:43:25,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643977899] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:25,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:25,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:25,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183654336] [2024-12-02 15:43:25,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:25,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:25,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:25,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:25,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:25,099 INFO L87 Difference]: Start difference. First operand 51047 states and 73210 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:43:26,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:26,684 INFO L93 Difference]: Finished difference Result 51053 states and 73215 transitions. [2024-12-02 15:43:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:26,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 185 [2024-12-02 15:43:26,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:26,875 INFO L225 Difference]: With dead ends: 51053 [2024-12-02 15:43:26,875 INFO L226 Difference]: Without dead ends: 51051 [2024-12-02 15:43:26,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:26,906 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3862 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3863 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:26,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3863 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:43:26,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51051 states. [2024-12-02 15:43:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51051 to 51051. [2024-12-02 15:43:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51051 states, 37191 states have (on average 1.3345970799386948) internal successors, (49635), 38045 states have internal predecessors, (49635), 11707 states have call successors, (11707), 2231 states have call predecessors, (11707), 2150 states have return successors, (11871), 11182 states have call predecessors, (11871), 11703 states have call successors, (11871) [2024-12-02 15:43:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51051 states to 51051 states and 73213 transitions. [2024-12-02 15:43:28,626 INFO L78 Accepts]: Start accepts. Automaton has 51051 states and 73213 transitions. Word has length 185 [2024-12-02 15:43:28,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:28,627 INFO L471 AbstractCegarLoop]: Abstraction has 51051 states and 73213 transitions. [2024-12-02 15:43:28,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:43:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 51051 states and 73213 transitions. [2024-12-02 15:43:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 15:43:28,628 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:28,629 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:43:28,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:43:28,629 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 15:43:28,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:28,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1237581257, now seen corresponding path program 1 times [2024-12-02 15:43:28,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:28,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640135022] [2024-12-02 15:43:28,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:28,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-12-02 15:43:34,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:34,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640135022] [2024-12-02 15:43:34,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640135022] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:34,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:34,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:43:34,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732968213] [2024-12-02 15:43:34,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:34,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:43:34,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:34,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:43:34,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:43:34,184 INFO L87 Difference]: Start difference. First operand 51051 states and 73213 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:43:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:35,661 INFO L93 Difference]: Finished difference Result 51057 states and 73218 transitions. [2024-12-02 15:43:35,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:43:35,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 190 [2024-12-02 15:43:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:35,844 INFO L225 Difference]: With dead ends: 51057 [2024-12-02 15:43:35,844 INFO L226 Difference]: Without dead ends: 51055 [2024-12-02 15:43:35,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:43:35,874 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3861 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:35,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3862 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:43:35,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51055 states. [2024-12-02 15:43:37,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51055 to 51055. [2024-12-02 15:43:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51055 states, 37194 states have (on average 1.3345700919503145) internal successors, (49638), 38048 states have internal predecessors, (49638), 11707 states have call successors, (11707), 2232 states have call predecessors, (11707), 2151 states have return successors, (11871), 11182 states have call predecessors, (11871), 11703 states have call successors, (11871) [2024-12-02 15:43:37,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51055 states to 51055 states and 73216 transitions. [2024-12-02 15:43:37,619 INFO L78 Accepts]: Start accepts. Automaton has 51055 states and 73216 transitions. Word has length 190 [2024-12-02 15:43:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:37,619 INFO L471 AbstractCegarLoop]: Abstraction has 51055 states and 73216 transitions. [2024-12-02 15:43:37,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:43:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 51055 states and 73216 transitions. [2024-12-02 15:43:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 15:43:37,622 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:37,622 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2024-12-02 15:43:37,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:43:37,622 INFO L396 AbstractCegarLoop]: === Iteration 12 === 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 15:43:37,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:37,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1407691535, now seen corresponding path program 1 times [2024-12-02 15:43:37,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:37,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271612809] [2024-12-02 15:43:37,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:37,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-12-02 15:43:42,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:42,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271612809] [2024-12-02 15:43:42,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271612809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:42,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:42,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:43:42,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868071236] [2024-12-02 15:43:42,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:42,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:43:42,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:42,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:43:42,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:43:42,261 INFO L87 Difference]: Start difference. First operand 51055 states and 73216 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 15:43:46,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:43:49,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:43:49,325 INFO L93 Difference]: Finished difference Result 121825 states and 174824 transitions. [2024-12-02 15:43:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:43:49,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 193 [2024-12-02 15:43:49,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:43:49,537 INFO L225 Difference]: With dead ends: 121825 [2024-12-02 15:43:49,537 INFO L226 Difference]: Without dead ends: 70847 [2024-12-02 15:43:49,653 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 15:43:49,654 INFO L435 NwaCegarLoop]: 5930 mSDtfsCounter, 2980 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 9778 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:43:49,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2980 Valid, 9778 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:43:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70847 states. [2024-12-02 15:43:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70847 to 70775. [2024-12-02 15:43:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70775 states, 51490 states have (on average 1.3338512332491745) internal successors, (68680), 52668 states have internal predecessors, (68680), 16269 states have call successors, (16269), 3126 states have call predecessors, (16269), 3013 states have return successors, (16433), 15552 states have call predecessors, (16433), 16265 states have call successors, (16433) [2024-12-02 15:43:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70775 states to 70775 states and 101382 transitions. [2024-12-02 15:43:52,077 INFO L78 Accepts]: Start accepts. Automaton has 70775 states and 101382 transitions. Word has length 193 [2024-12-02 15:43:52,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:43:52,077 INFO L471 AbstractCegarLoop]: Abstraction has 70775 states and 101382 transitions. [2024-12-02 15:43:52,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-12-02 15:43:52,077 INFO L276 IsEmpty]: Start isEmpty. Operand 70775 states and 101382 transitions. [2024-12-02 15:43:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 15:43:52,079 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:43:52,079 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 4, 4, 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] [2024-12-02 15:43:52,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:43:52,079 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 15:43:52,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:43:52,079 INFO L85 PathProgramCache]: Analyzing trace with hash 89276969, now seen corresponding path program 1 times [2024-12-02 15:43:52,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:43:52,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578154527] [2024-12-02 15:43:52,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:43:52,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:43:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:43:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-12-02 15:43:56,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:43:56,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578154527] [2024-12-02 15:43:56,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578154527] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:43:56,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:43:56,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:43:56,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217291759] [2024-12-02 15:43:56,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:43:56,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:43:56,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:43:56,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:43:56,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:43:56,866 INFO L87 Difference]: Start difference. First operand 70775 states and 101382 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 15:44:00,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:44:05,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:05,842 INFO L93 Difference]: Finished difference Result 209336 states and 300217 transitions. [2024-12-02 15:44:05,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:44:05,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2024-12-02 15:44:05,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:06,310 INFO L225 Difference]: With dead ends: 209336 [2024-12-02 15:44:06,310 INFO L226 Difference]: Without dead ends: 138638 [2024-12-02 15:44:06,513 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 15:44:06,513 INFO L435 NwaCegarLoop]: 7670 mSDtfsCounter, 3798 mSDsluCounter, 3894 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3798 SdHoareTripleChecker+Valid, 11564 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:06,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3798 Valid, 11564 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:44:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138638 states. [2024-12-02 15:44:11,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138638 to 138599. [2024-12-02 15:44:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138599 states, 101086 states have (on average 1.335140375521833) internal successors, (134964), 103216 states have internal predecessors, (134964), 31649 states have call successors, (31649), 6054 states have call predecessors, (31649), 5861 states have return successors, (31981), 30472 states have call predecessors, (31981), 31645 states have call successors, (31981) [2024-12-02 15:44:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138599 states to 138599 states and 198594 transitions. [2024-12-02 15:44:11,796 INFO L78 Accepts]: Start accepts. Automaton has 138599 states and 198594 transitions. Word has length 208 [2024-12-02 15:44:11,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:11,797 INFO L471 AbstractCegarLoop]: Abstraction has 138599 states and 198594 transitions. [2024-12-02 15:44:11,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 15:44:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 138599 states and 198594 transitions. [2024-12-02 15:44:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 15:44:11,798 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:11,798 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 4, 4, 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] [2024-12-02 15:44:11,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:44:11,799 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:11,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:11,799 INFO L85 PathProgramCache]: Analyzing trace with hash -344452117, now seen corresponding path program 1 times [2024-12-02 15:44:11,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:11,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907578767] [2024-12-02 15:44:11,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:11,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-12-02 15:44:17,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:17,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907578767] [2024-12-02 15:44:17,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907578767] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:17,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:17,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:44:17,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082022305] [2024-12-02 15:44:17,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:17,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:44:17,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:17,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:44:17,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:44:17,913 INFO L87 Difference]: Start difference. First operand 138599 states and 198594 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 15:44:21,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:44:28,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:28,425 INFO L93 Difference]: Finished difference Result 344901 states and 494503 transitions. [2024-12-02 15:44:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:44:28,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2024-12-02 15:44:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:29,178 INFO L225 Difference]: With dead ends: 344901 [2024-12-02 15:44:29,178 INFO L226 Difference]: Without dead ends: 206379 [2024-12-02 15:44:29,554 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 15:44:29,554 INFO L435 NwaCegarLoop]: 7682 mSDtfsCounter, 3769 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3769 SdHoareTripleChecker+Valid, 11574 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:29,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3769 Valid, 11574 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:44:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206379 states. [2024-12-02 15:44:36,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206379 to 206375. [2024-12-02 15:44:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206375 states, 150634 states have (on average 1.3356878261215928) internal successors, (201200), 153716 states have internal predecessors, (201200), 47029 states have call successors, (47029), 8982 states have call predecessors, (47029), 8709 states have return successors, (47529), 45392 states have call predecessors, (47529), 47025 states have call successors, (47529) [2024-12-02 15:44:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206375 states to 206375 states and 295758 transitions. [2024-12-02 15:44:37,361 INFO L78 Accepts]: Start accepts. Automaton has 206375 states and 295758 transitions. Word has length 208 [2024-12-02 15:44:37,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:37,361 INFO L471 AbstractCegarLoop]: Abstraction has 206375 states and 295758 transitions. [2024-12-02 15:44:37,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 15:44:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 206375 states and 295758 transitions. [2024-12-02 15:44:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-12-02 15:44:37,363 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:37,363 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 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] [2024-12-02 15:44:37,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:44:37,363 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 15:44:37,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:37,364 INFO L85 PathProgramCache]: Analyzing trace with hash -435526488, now seen corresponding path program 1 times [2024-12-02 15:44:37,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:37,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253099842] [2024-12-02 15:44:37,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:44:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:44:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-12-02 15:44:43,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:44:43,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253099842] [2024-12-02 15:44:43,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253099842] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:44:43,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:44:43,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:44:43,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204604121] [2024-12-02 15:44:43,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:44:43,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:44:43,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:44:43,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:44:43,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:44:43,521 INFO L87 Difference]: Start difference. First operand 206375 states and 295758 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:44:49,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:44:49,023 INFO L93 Difference]: Finished difference Result 209711 states and 298787 transitions. [2024-12-02 15:44:49,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:44:49,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 195 [2024-12-02 15:44:49,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:44:49,918 INFO L225 Difference]: With dead ends: 209711 [2024-12-02 15:44:49,918 INFO L226 Difference]: Without dead ends: 209709 [2024-12-02 15:44:49,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:44:49,979 INFO L435 NwaCegarLoop]: 3949 mSDtfsCounter, 1325 mSDsluCounter, 10470 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 14419 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:44:49,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1326 Valid, 14419 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:44:50,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209709 states. [2024-12-02 15:44:57,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209709 to 209709. [2024-12-02 15:44:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209709 states, 152977 states have (on average 1.3321937284689855) internal successors, (203795), 156059 states have internal predecessors, (203795), 47245 states have call successors, (47245), 9757 states have call predecessors, (47245), 9484 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:44:58,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209709 states to 209709 states and 298785 transitions. [2024-12-02 15:44:58,741 INFO L78 Accepts]: Start accepts. Automaton has 209709 states and 298785 transitions. Word has length 195 [2024-12-02 15:44:58,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:44:58,741 INFO L471 AbstractCegarLoop]: Abstraction has 209709 states and 298785 transitions. [2024-12-02 15:44:58,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:44:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 209709 states and 298785 transitions. [2024-12-02 15:44:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-12-02 15:44:58,743 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:44:58,743 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 6, 5, 5, 4, 4, 4, 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] [2024-12-02 15:44:58,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:44:58,743 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:44:58,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:44:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1871083287, now seen corresponding path program 1 times [2024-12-02 15:44:58,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:44:58,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584834655] [2024-12-02 15:44:58,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:44:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-12-02 15:45:04,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:04,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584834655] [2024-12-02 15:45:04,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584834655] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:04,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:04,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:45:04,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542243801] [2024-12-02 15:45:04,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:04,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:45:04,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:04,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:45:04,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:45:04,241 INFO L87 Difference]: Start difference. First operand 209709 states and 298785 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:45:10,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:10,376 INFO L93 Difference]: Finished difference Result 209715 states and 298790 transitions. [2024-12-02 15:45:10,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:45:10,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 200 [2024-12-02 15:45:10,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:11,355 INFO L225 Difference]: With dead ends: 209715 [2024-12-02 15:45:11,355 INFO L226 Difference]: Without dead ends: 209713 [2024-12-02 15:45:11,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:45:11,435 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3859 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:11,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:45:11,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209713 states. [2024-12-02 15:45:19,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209713 to 209713. [2024-12-02 15:45:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209713 states, 152980 states have (on average 1.3321872140149038) internal successors, (203798), 156062 states have internal predecessors, (203798), 47245 states have call successors, (47245), 9758 states have call predecessors, (47245), 9485 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:45:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209713 states to 209713 states and 298788 transitions. [2024-12-02 15:45:20,501 INFO L78 Accepts]: Start accepts. Automaton has 209713 states and 298788 transitions. Word has length 200 [2024-12-02 15:45:20,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:45:20,501 INFO L471 AbstractCegarLoop]: Abstraction has 209713 states and 298788 transitions. [2024-12-02 15:45:20,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:45:20,502 INFO L276 IsEmpty]: Start isEmpty. Operand 209713 states and 298788 transitions. [2024-12-02 15:45:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-12-02 15:45:20,503 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:45:20,503 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 4, 4, 4, 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] [2024-12-02 15:45:20,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:45:20,503 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:45:20,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:45:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash -253166328, now seen corresponding path program 1 times [2024-12-02 15:45:20,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:45:20,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094122090] [2024-12-02 15:45:20,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:45:20,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-12-02 15:45:26,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:26,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094122090] [2024-12-02 15:45:26,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094122090] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:26,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:26,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:45:26,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996102210] [2024-12-02 15:45:26,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:26,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:45:26,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:26,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:45:26,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:45:26,816 INFO L87 Difference]: Start difference. First operand 209713 states and 298788 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:45:33,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:33,404 INFO L93 Difference]: Finished difference Result 209719 states and 298793 transitions. [2024-12-02 15:45:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:45:33,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 205 [2024-12-02 15:45:33,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:34,158 INFO L225 Difference]: With dead ends: 209719 [2024-12-02 15:45:34,159 INFO L226 Difference]: Without dead ends: 209717 [2024-12-02 15:45:34,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:45:34,242 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3858 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3859 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:34,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3859 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:45:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209717 states. [2024-12-02 15:45:43,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209717 to 209717. [2024-12-02 15:45:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209717 states, 152983 states have (on average 1.3321806998163195) internal successors, (203801), 156065 states have internal predecessors, (203801), 47245 states have call successors, (47245), 9759 states have call predecessors, (47245), 9486 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:45:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209717 states to 209717 states and 298791 transitions. [2024-12-02 15:45:44,510 INFO L78 Accepts]: Start accepts. Automaton has 209717 states and 298791 transitions. Word has length 205 [2024-12-02 15:45:44,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:45:44,510 INFO L471 AbstractCegarLoop]: Abstraction has 209717 states and 298791 transitions. [2024-12-02 15:45:44,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:45:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 209717 states and 298791 transitions. [2024-12-02 15:45:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-12-02 15:45:44,512 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:45:44,512 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 4, 4, 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] [2024-12-02 15:45:44,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:45:44,513 INFO L396 AbstractCegarLoop]: === Iteration 18 === 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 15:45:44,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:45:44,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1526375415, now seen corresponding path program 1 times [2024-12-02 15:45:44,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:45:44,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153199896] [2024-12-02 15:45:44,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:45:44,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:45:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:45:50,430 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-02 15:45:50,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:45:50,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153199896] [2024-12-02 15:45:50,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153199896] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:45:50,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:45:50,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:45:50,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481570571] [2024-12-02 15:45:50,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:45:50,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:45:50,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:45:50,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:45:50,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:45:50,432 INFO L87 Difference]: Start difference. First operand 209717 states and 298791 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:45:57,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:45:57,314 INFO L93 Difference]: Finished difference Result 209723 states and 298796 transitions. [2024-12-02 15:45:57,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:45:57,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 210 [2024-12-02 15:45:57,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:45:58,241 INFO L225 Difference]: With dead ends: 209723 [2024-12-02 15:45:58,241 INFO L226 Difference]: Without dead ends: 209721 [2024-12-02 15:45:58,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:45:58,325 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3857 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3858 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:45:58,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3858 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:45:58,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209721 states. [2024-12-02 15:46:07,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209721 to 209721. [2024-12-02 15:46:07,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209721 states, 152986 states have (on average 1.3321741858732172) internal successors, (203804), 156068 states have internal predecessors, (203804), 47245 states have call successors, (47245), 9760 states have call predecessors, (47245), 9487 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:46:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209721 states to 209721 states and 298794 transitions. [2024-12-02 15:46:08,424 INFO L78 Accepts]: Start accepts. Automaton has 209721 states and 298794 transitions. Word has length 210 [2024-12-02 15:46:08,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:08,424 INFO L471 AbstractCegarLoop]: Abstraction has 209721 states and 298794 transitions. [2024-12-02 15:46:08,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:46:08,425 INFO L276 IsEmpty]: Start isEmpty. Operand 209721 states and 298794 transitions. [2024-12-02 15:46:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-12-02 15:46:08,426 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:08,426 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 15:46:08,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:46:08,426 INFO L396 AbstractCegarLoop]: === Iteration 19 === 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 15:46:08,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:08,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1084116328, now seen corresponding path program 1 times [2024-12-02 15:46:08,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715560534] [2024-12-02 15:46:08,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:13,812 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2024-12-02 15:46:13,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:13,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715560534] [2024-12-02 15:46:13,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715560534] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:13,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:13,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:46:13,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869931820] [2024-12-02 15:46:13,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:13,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:46:13,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:13,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:46:13,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:13,813 INFO L87 Difference]: Start difference. First operand 209721 states and 298794 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:46:21,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:21,606 INFO L93 Difference]: Finished difference Result 209727 states and 298799 transitions. [2024-12-02 15:46:21,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:46:21,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 215 [2024-12-02 15:46:21,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:22,608 INFO L225 Difference]: With dead ends: 209727 [2024-12-02 15:46:22,609 INFO L226 Difference]: Without dead ends: 209725 [2024-12-02 15:46:22,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:46:22,704 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3856 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3857 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:22,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3857 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:46:23,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209725 states. [2024-12-02 15:46:31,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209725 to 209725. [2024-12-02 15:46:32,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209725 states, 152989 states have (on average 1.332167672185582) internal successors, (203807), 156071 states have internal predecessors, (203807), 47245 states have call successors, (47245), 9761 states have call predecessors, (47245), 9488 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:46:32,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209725 states to 209725 states and 298797 transitions. [2024-12-02 15:46:32,914 INFO L78 Accepts]: Start accepts. Automaton has 209725 states and 298797 transitions. Word has length 215 [2024-12-02 15:46:32,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:32,914 INFO L471 AbstractCegarLoop]: Abstraction has 209725 states and 298797 transitions. [2024-12-02 15:46:32,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:46:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 209725 states and 298797 transitions. [2024-12-02 15:46:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 15:46:32,916 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:32,916 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 10, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 15:46:32,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:46:32,917 INFO L396 AbstractCegarLoop]: === Iteration 20 === 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 15:46:32,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:32,917 INFO L85 PathProgramCache]: Analyzing trace with hash 103642921, now seen corresponding path program 1 times [2024-12-02 15:46:32,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:32,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306056983] [2024-12-02 15:46:32,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:32,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:46:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:46:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 15:46:38,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:46:38,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306056983] [2024-12-02 15:46:38,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306056983] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:46:38,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:46:38,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:46:38,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936218548] [2024-12-02 15:46:38,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:46:38,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:46:38,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:46:38,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:46:38,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:46:38,269 INFO L87 Difference]: Start difference. First operand 209725 states and 298797 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:46:46,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:46:46,087 INFO L93 Difference]: Finished difference Result 209731 states and 298802 transitions. [2024-12-02 15:46:46,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:46:46,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 220 [2024-12-02 15:46:46,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:46:46,871 INFO L225 Difference]: With dead ends: 209731 [2024-12-02 15:46:46,871 INFO L226 Difference]: Without dead ends: 209729 [2024-12-02 15:46:46,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:46:46,953 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3855 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:46:46,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3856 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:46:47,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209729 states. [2024-12-02 15:46:56,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209729 to 209729. [2024-12-02 15:46:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209729 states, 152992 states have (on average 1.3321611587533988) internal successors, (203810), 156074 states have internal predecessors, (203810), 47245 states have call successors, (47245), 9762 states have call predecessors, (47245), 9489 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:46:57,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209729 states to 209729 states and 298800 transitions. [2024-12-02 15:46:57,431 INFO L78 Accepts]: Start accepts. Automaton has 209729 states and 298800 transitions. Word has length 220 [2024-12-02 15:46:57,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:46:57,431 INFO L471 AbstractCegarLoop]: Abstraction has 209729 states and 298800 transitions. [2024-12-02 15:46:57,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:46:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 209729 states and 298800 transitions. [2024-12-02 15:46:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-12-02 15:46:57,433 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:46:57,433 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 15:46:57,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:46:57,434 INFO L396 AbstractCegarLoop]: === Iteration 21 === 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 15:46:57,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:46:57,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1574677048, now seen corresponding path program 1 times [2024-12-02 15:46:57,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:46:57,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587439553] [2024-12-02 15:46:57,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:46:57,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-12-02 15:47:03,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:03,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587439553] [2024-12-02 15:47:03,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587439553] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:03,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:03,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:47:03,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611928980] [2024-12-02 15:47:03,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:03,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:03,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:03,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:03,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:03,346 INFO L87 Difference]: Start difference. First operand 209729 states and 298800 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:47:13,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:13,319 INFO L93 Difference]: Finished difference Result 209735 states and 298805 transitions. [2024-12-02 15:47:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:13,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 225 [2024-12-02 15:47:13,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:14,381 INFO L225 Difference]: With dead ends: 209735 [2024-12-02 15:47:14,382 INFO L226 Difference]: Without dead ends: 209733 [2024-12-02 15:47:14,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:14,451 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3854 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3855 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:14,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3855 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:47:14,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209733 states. [2024-12-02 15:47:25,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209733 to 209733. [2024-12-02 15:47:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209733 states, 152995 states have (on average 1.3321546455766529) internal successors, (203813), 156077 states have internal predecessors, (203813), 47245 states have call successors, (47245), 9763 states have call predecessors, (47245), 9490 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:47:26,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209733 states to 209733 states and 298803 transitions. [2024-12-02 15:47:26,642 INFO L78 Accepts]: Start accepts. Automaton has 209733 states and 298803 transitions. Word has length 225 [2024-12-02 15:47:26,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:26,642 INFO L471 AbstractCegarLoop]: Abstraction has 209733 states and 298803 transitions. [2024-12-02 15:47:26,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:47:26,642 INFO L276 IsEmpty]: Start isEmpty. Operand 209733 states and 298803 transitions. [2024-12-02 15:47:26,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-12-02 15:47:26,644 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:26,645 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2024-12-02 15:47:26,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:47:26,645 INFO L396 AbstractCegarLoop]: === Iteration 22 === 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 15:47:26,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:26,645 INFO L85 PathProgramCache]: Analyzing trace with hash -214443447, now seen corresponding path program 1 times [2024-12-02 15:47:26,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:26,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359664208] [2024-12-02 15:47:26,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:26,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:47:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:47:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2024-12-02 15:47:32,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:47:32,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359664208] [2024-12-02 15:47:32,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359664208] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:47:32,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:47:32,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:47:32,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276507715] [2024-12-02 15:47:32,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:47:32,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:47:32,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:47:32,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:47:32,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:47:32,528 INFO L87 Difference]: Start difference. First operand 209733 states and 298803 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:47:42,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:47:42,783 INFO L93 Difference]: Finished difference Result 209739 states and 298808 transitions. [2024-12-02 15:47:42,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:47:42,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 230 [2024-12-02 15:47:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:47:43,597 INFO L225 Difference]: With dead ends: 209739 [2024-12-02 15:47:43,597 INFO L226 Difference]: Without dead ends: 209735 [2024-12-02 15:47:43,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:47:43,679 INFO L435 NwaCegarLoop]: 3919 mSDtfsCounter, 3853 mSDsluCounter, 7819 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3854 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:47:43,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3854 Valid, 11738 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:47:43,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209735 states. [2024-12-02 15:47:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209735 to 209735. [2024-12-02 15:47:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209735 states, 152997 states have (on average 1.3321437675248535) internal successors, (203814), 156078 states have internal predecessors, (203814), 47245 states have call successors, (47245), 9764 states have call predecessors, (47245), 9490 states have return successors, (47745), 45608 states have call predecessors, (47745), 47241 states have call successors, (47745) [2024-12-02 15:47:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209735 states to 209735 states and 298804 transitions. [2024-12-02 15:47:55,972 INFO L78 Accepts]: Start accepts. Automaton has 209735 states and 298804 transitions. Word has length 230 [2024-12-02 15:47:55,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:47:55,973 INFO L471 AbstractCegarLoop]: Abstraction has 209735 states and 298804 transitions. [2024-12-02 15:47:55,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:47:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 209735 states and 298804 transitions. [2024-12-02 15:47:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 15:47:55,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:47:55,977 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:47:55,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:47:55,977 INFO L396 AbstractCegarLoop]: === Iteration 23 === 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 15:47:55,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:47:55,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1817320911, now seen corresponding path program 1 times [2024-12-02 15:47:55,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:47:55,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343527603] [2024-12-02 15:47:55,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:47:55,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-12-02 15:48:01,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:01,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343527603] [2024-12-02 15:48:01,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343527603] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:01,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:01,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:48:01,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573881972] [2024-12-02 15:48:01,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:01,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:48:01,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:01,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:48:01,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:48:01,390 INFO L87 Difference]: Start difference. First operand 209735 states and 298804 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:48:12,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:12,256 INFO L93 Difference]: Finished difference Result 209735 states and 298804 transitions. [2024-12-02 15:48:12,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:48:12,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 273 [2024-12-02 15:48:12,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:13,174 INFO L225 Difference]: With dead ends: 209735 [2024-12-02 15:48:13,174 INFO L226 Difference]: Without dead ends: 208659 [2024-12-02 15:48:13,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:48:13,254 INFO L435 NwaCegarLoop]: 3917 mSDtfsCounter, 3843 mSDsluCounter, 7817 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 11734 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:13,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 11734 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:48:13,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208659 states. [2024-12-02 15:48:25,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208659 to 208653. [2024-12-02 15:48:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208653 states, 152268 states have (on average 1.3322497176031733) internal successors, (202859), 155204 states have internal predecessors, (202859), 46930 states have call successors, (46930), 9696 states have call predecessors, (46930), 9453 states have return successors, (47431), 45468 states have call predecessors, (47431), 46927 states have call successors, (47431) [2024-12-02 15:48:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208653 states to 208653 states and 297220 transitions. [2024-12-02 15:48:26,542 INFO L78 Accepts]: Start accepts. Automaton has 208653 states and 297220 transitions. Word has length 273 [2024-12-02 15:48:26,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:48:26,543 INFO L471 AbstractCegarLoop]: Abstraction has 208653 states and 297220 transitions. [2024-12-02 15:48:26,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:48:26,543 INFO L276 IsEmpty]: Start isEmpty. Operand 208653 states and 297220 transitions. [2024-12-02 15:48:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-12-02 15:48:26,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:48:26,545 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 15:48:26,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:48:26,545 INFO L396 AbstractCegarLoop]: === Iteration 24 === 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 15:48:26,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:48:26,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1114987147, now seen corresponding path program 1 times [2024-12-02 15:48:26,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:48:26,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494833706] [2024-12-02 15:48:26,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:48:26,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:48:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:48:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-12-02 15:48:32,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:48:32,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494833706] [2024-12-02 15:48:32,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494833706] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:48:32,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:48:32,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:48:32,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788228041] [2024-12-02 15:48:32,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:48:32,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:48:32,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:48:32,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:48:32,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:48:32,144 INFO L87 Difference]: Start difference. First operand 208653 states and 297220 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 15:48:36,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:48:51,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:48:51,454 INFO L93 Difference]: Finished difference Result 485971 states and 692376 transitions. [2024-12-02 15:48:51,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:48:51,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 243 [2024-12-02 15:48:51,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:48:52,633 INFO L225 Difference]: With dead ends: 485971 [2024-12-02 15:48:52,634 INFO L226 Difference]: Without dead ends: 277159 [2024-12-02 15:48:53,256 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 15:48:53,257 INFO L435 NwaCegarLoop]: 6328 mSDtfsCounter, 3759 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 10166 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:48:53,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 10166 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:48:53,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277159 states. [2024-12-02 15:49:07,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277159 to 208653. [2024-12-02 15:49:07,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208653 states, 152268 states have (on average 1.3322431502351118) internal successors, (202858), 155204 states have internal predecessors, (202858), 46930 states have call successors, (46930), 9696 states have call predecessors, (46930), 9453 states have return successors, (47431), 45468 states have call predecessors, (47431), 46927 states have call successors, (47431) [2024-12-02 15:49:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208653 states to 208653 states and 297219 transitions. [2024-12-02 15:49:09,169 INFO L78 Accepts]: Start accepts. Automaton has 208653 states and 297219 transitions. Word has length 243 [2024-12-02 15:49:09,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:09,169 INFO L471 AbstractCegarLoop]: Abstraction has 208653 states and 297219 transitions. [2024-12-02 15:49:09,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-12-02 15:49:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 208653 states and 297219 transitions. [2024-12-02 15:49:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-12-02 15:49:09,171 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:09,171 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2024-12-02 15:49:09,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:49:09,171 INFO L396 AbstractCegarLoop]: === Iteration 25 === 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 15:49:09,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:09,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1607613321, now seen corresponding path program 1 times [2024-12-02 15:49:09,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:09,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548272748] [2024-12-02 15:49:09,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:09,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2024-12-02 15:49:15,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:15,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548272748] [2024-12-02 15:49:15,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548272748] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:15,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:15,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:15,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443418206] [2024-12-02 15:49:15,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:15,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:15,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:15,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:15,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:15,331 INFO L87 Difference]: Start difference. First operand 208653 states and 297219 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:49:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:49:26,137 INFO L93 Difference]: Finished difference Result 208653 states and 297219 transitions. [2024-12-02 15:49:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:49:26,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 243 [2024-12-02 15:49:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:49:27,030 INFO L225 Difference]: With dead ends: 208653 [2024-12-02 15:49:27,030 INFO L226 Difference]: Without dead ends: 208651 [2024-12-02 15:49:27,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:49:27,097 INFO L435 NwaCegarLoop]: 3883 mSDtfsCounter, 1235 mSDsluCounter, 10356 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 14239 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:49:27,097 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 14239 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:49:27,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208651 states. [2024-12-02 15:49:39,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208651 to 208651. [2024-12-02 15:49:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208651 states, 152267 states have (on average 1.3313784339351271) internal successors, (202725), 155202 states have internal predecessors, (202725), 46930 states have call successors, (46930), 9696 states have call predecessors, (46930), 9453 states have return successors, (47431), 45468 states have call predecessors, (47431), 46927 states have call successors, (47431) [2024-12-02 15:49:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208651 states to 208651 states and 297086 transitions. [2024-12-02 15:49:40,462 INFO L78 Accepts]: Start accepts. Automaton has 208651 states and 297086 transitions. Word has length 243 [2024-12-02 15:49:40,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:49:40,462 INFO L471 AbstractCegarLoop]: Abstraction has 208651 states and 297086 transitions. [2024-12-02 15:49:40,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:49:40,462 INFO L276 IsEmpty]: Start isEmpty. Operand 208651 states and 297086 transitions. [2024-12-02 15:49:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-12-02 15:49:40,467 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:49:40,467 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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 15:49:40,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:49:40,467 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:49:40,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:49:40,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1561016167, now seen corresponding path program 1 times [2024-12-02 15:49:40,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:49:40,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559814362] [2024-12-02 15:49:40,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:49:40,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:49:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:49:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2024-12-02 15:49:45,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:49:45,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559814362] [2024-12-02 15:49:45,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559814362] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:49:45,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:49:45,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:49:45,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457544686] [2024-12-02 15:49:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:49:45,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:49:45,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:49:45,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:49:45,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:49:45,999 INFO L87 Difference]: Start difference. First operand 208651 states and 297086 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:49:50,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:50:00,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:50:00,884 INFO L93 Difference]: Finished difference Result 208651 states and 297086 transitions. [2024-12-02 15:50:00,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:50:00,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 276 [2024-12-02 15:50:00,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:50:01,184 INFO L225 Difference]: With dead ends: 208651 [2024-12-02 15:50:01,184 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:50:01,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:50:01,638 INFO L435 NwaCegarLoop]: 3881 mSDtfsCounter, 2578 mSDsluCounter, 9074 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 12955 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:50:01,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 12955 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-12-02 15:50:01,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:50:01,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:50:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:50:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:50:01,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 276 [2024-12-02 15:50:01,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:50:01,728 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:50:01,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:50:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:50:01,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:50:01,734 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 15:50:01,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 15:50:01,735 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 15:50:01,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:50:01,742 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:50:01,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.