./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-dlink-sundance.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_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/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_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/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-dlink-sundance.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/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_1c7aa01d-0125-4ac3-848f-55437706a3e5/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 d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:21:44,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:21:44,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:21:44,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:21:44,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:21:44,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:21:44,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:21:44,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:21:44,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:21:44,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:21:44,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:21:44,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:21:44,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:21:44,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:21:44,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:21:44,273 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:21:44,274 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:44,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:44,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:21:44,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:21:44,275 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:21:44,275 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/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 -> d4784d7b609e947942ffa9f8266acf243583adf996e2bcae78fb9e8c8fa71002 [2024-12-02 15:21:44,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:21:44,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:21:44,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:21:44,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:21:44,539 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:21:44,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2024-12-02 15:21:47,173 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/data/5c226495f/05349f8d68184c6ca5f0c110a1641e8a/FLAGf0b9b92d5 [2024-12-02 15:21:47,643 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:21:47,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2024-12-02 15:21:47,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/data/5c226495f/05349f8d68184c6ca5f0c110a1641e8a/FLAGf0b9b92d5 [2024-12-02 15:21:47,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/data/5c226495f/05349f8d68184c6ca5f0c110a1641e8a [2024-12-02 15:21:47,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:21:47,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:21:47,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:21:47,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:21:47,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:21:47,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:47" (1/1) ... [2024-12-02 15:21:47,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a148e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:47, skipping insertion in model container [2024-12-02 15:21:47,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:21:47" (1/1) ... [2024-12-02 15:21:47,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:21:49,933 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2024-12-02 15:21:49,936 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2024-12-02 15:21:49,937 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2024-12-02 15:21:49,937 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2024-12-02 15:21:49,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:21:50,000 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:21:50,089 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"); [5263] [2024-12-02 15:21:50,090 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)); [5270] [2024-12-02 15:21:50,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5277] [2024-12-02 15:21:50,092 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)); [5316-5317] [2024-12-02 15:21:50,092 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"); [5322-5324] [2024-12-02 15:21:50,093 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; incl %0": "+m" (v->counter)); [5338] [2024-12-02 15:21:50,093 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; decl %0": "+m" (v->counter)); [5345] [2024-12-02 15:21:50,100 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)); [5551-5552] [2024-12-02 15:21:50,103 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)); [5585-5586] [2024-12-02 15:21:50,104 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)); [5622-5623] [2024-12-02 15:21:50,105 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)); [5659-5660] [2024-12-02 15:21:50,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6112] [2024-12-02 15:21:50,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6146] [2024-12-02 15:21:50,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [6157] [2024-12-02 15:21:50,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6166] [2024-12-02 15:21:50,160 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7371] [2024-12-02 15:21:50,261 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349228,349241] [2024-12-02 15:21:50,261 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349397,349410] [2024-12-02 15:21:50,261 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349564,349577] [2024-12-02 15:21:50,261 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_1c7aa01d-0125-4ac3-848f-55437706a3e5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i[349732,349745] [2024-12-02 15:21:50,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:21:50,446 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:21:50,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50 WrapperNode [2024-12-02 15:21:50,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:21:50,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:21:50,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:21:50,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:21:50,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:50,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:50,677 INFO L138 Inliner]: procedures = 470, calls = 2368, calls flagged for inlining = 234, calls inlined = 217, statements flattened = 6389 [2024-12-02 15:21:50,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:21:50,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:21:50,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:21:50,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:21:50,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:50,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:50,708 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:51,766 INFO L175 MemorySlicer]: Split 1255 memory accesses to 24 slices as follows [5, 5, 8, 1, 2, 3, 17, 2, 1056, 9, 2, 58, 52, 3, 2, 2, 2, 1, 2, 3, 5, 5, 5, 5]. 84 percent of accesses are in the largest equivalence class. The 384 initializations are split as follows [5, 5, 0, 1, 2, 0, 8, 0, 324, 8, 2, 2, 0, 1, 2, 0, 2, 0, 2, 0, 5, 5, 5, 5]. The 453 writes are split as follows [0, 0, 5, 0, 0, 1, 0, 1, 347, 0, 0, 56, 42, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]. [2024-12-02 15:21:51,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:51,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:51,883 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:51,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:51,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:51,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:51,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:52,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:21:52,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:21:52,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:21:52,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:21:52,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (1/1) ... [2024-12-02 15:21:52,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:21:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:21:52,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:21:52,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c7aa01d-0125-4ac3-848f-55437706a3e5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:21:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_running [2024-12-02 15:21:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_running [2024-12-02 15:21:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-12-02 15:21:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-12-02 15:21:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 15:21:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 15:21:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:21:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:21:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 15:21:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 15:21:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 15:21:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 15:21:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:21:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure reset_tx [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_tx [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_66 [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_66 [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_76 [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_76 [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 15:21:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 15:21:52,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_69 [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_69 [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 15:21:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:21:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 15:21:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 15:21:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2024-12-02 15:21:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 15:21:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 15:21:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:21:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 15:21:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-12-02 15:21:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 15:21:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:21:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 15:21:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 15:21:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 15:21:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 15:21:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 15:21:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 15:21:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 15:21:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 15:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 15:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure check_duplex [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure check_duplex [2024-12-02 15:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 15:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2024-12-02 15:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 15:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2024-12-02 15:21:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2024-12-02 15:21:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_resume [2024-12-02 15:21:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_resume [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:21:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 15:21:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 15:21:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2024-12-02 15:21:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:21:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 15:21:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:21:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-12-02 15:21:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:21:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-12-02 15:21:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-12-02 15:21:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 15:21:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 15:21:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 15:21:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:21:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 15:21:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 15:21:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure __set_mac_addr [2024-12-02 15:21:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_mac_addr [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 15:21:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:21:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2024-12-02 15:21:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sundance_exit_14_2 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 15:21:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:21:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:21:52,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2024-12-02 15:21:52,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2024-12-02 15:21:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:21:52,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats [2024-12-02 15:21:52,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_poll_controller [2024-12-02 15:21:52,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_poll_controller [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 15:21:52,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2024-12-02 15:21:52,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2024-12-02 15:21:52,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 15:21:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 15:21:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 15:21:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 15:21:52,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 15:21:52,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 15:21:52,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 15:21:52,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 15:21:52,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_75 [2024-12-02 15:21:52,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_75 [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:21:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 15:21:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 15:21:52,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 15:21:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 15:21:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2024-12-02 15:21:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2024-12-02 15:21:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 15:21:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 15:21:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2024-12-02 15:21:52,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_reset [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_reset [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure sundance_remove1 [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure sundance_remove1 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_70 [2024-12-02 15:21:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_70 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:21:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:21:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 15:21:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2024-12-02 15:21:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:21:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 15:21:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 15:21:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-12-02 15:21:52,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:21:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 15:21:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 15:21:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2024-12-02 15:21:52,087 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2024-12-02 15:21:53,075 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:21:53,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:22:07,562 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 15:22:08,496 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:22:15,964 INFO L? ?]: Removed 3107 outVars from TransFormulas that were not future-live. [2024-12-02 15:22:15,965 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:22:16,007 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:22:16,007 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 15:22:16,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:16 BoogieIcfgContainer [2024-12-02 15:22:16,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:22:16,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:22:16,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:22:16,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:22:16,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:21:47" (1/3) ... [2024-12-02 15:22:16,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297e30b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:16, skipping insertion in model container [2024-12-02 15:22:16,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:21:50" (2/3) ... [2024-12-02 15:22:16,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297e30b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:16, skipping insertion in model container [2024-12-02 15:22:16,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:16" (3/3) ... [2024-12-02 15:22:16,018 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i [2024-12-02 15:22:16,030 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:22:16,033 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dlink-sundance.cil.i that has 149 procedures, 2523 locations, 1 initial locations, 72 loop locations, and 3 error locations. [2024-12-02 15:22:16,119 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:22:16,130 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;@3495d881, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:22:16,130 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 15:22:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand has 2314 states, 1661 states have (on average 1.321493076459964) internal successors, (2195), 1695 states have internal predecessors, (2195), 553 states have call successors, (553), 102 states have call predecessors, (553), 101 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) [2024-12-02 15:22:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 15:22:16,155 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:16,156 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:16,156 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:22:16,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash -412039333, now seen corresponding path program 1 times [2024-12-02 15:22:16,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:16,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242556794] [2024-12-02 15:22:16,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:16,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-12-02 15:22:23,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:23,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242556794] [2024-12-02 15:22:23,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242556794] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:23,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:23,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:22:23,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80146934] [2024-12-02 15:22:23,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:23,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:22:23,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:23,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:22:23,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:22:23,747 INFO L87 Difference]: Start difference. First operand has 2314 states, 1661 states have (on average 1.321493076459964) internal successors, (2195), 1695 states have internal predecessors, (2195), 553 states have call successors, (553), 102 states have call predecessors, (553), 101 states have return successors, (547), 540 states have call predecessors, (547), 547 states have call successors, (547) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:22:27,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:22:28,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:28,686 INFO L93 Difference]: Finished difference Result 6759 states and 9803 transitions. [2024-12-02 15:22:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:22:28,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 171 [2024-12-02 15:22:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:28,722 INFO L225 Difference]: With dead ends: 6759 [2024-12-02 15:22:28,723 INFO L226 Difference]: Without dead ends: 4466 [2024-12-02 15:22:28,738 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 15:22:28,740 INFO L435 NwaCegarLoop]: 3260 mSDtfsCounter, 3101 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3101 SdHoareTripleChecker+Valid, 6447 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 15:22:28,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3101 Valid, 6447 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:22:28,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4466 states. [2024-12-02 15:22:28,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4466 to 4462. [2024-12-02 15:22:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4462 states, 3222 states have (on average 1.308814400993172) internal successors, (4217), 3281 states have internal predecessors, (4217), 1039 states have call successors, (1039), 199 states have call predecessors, (1039), 198 states have return successors, (1035), 1021 states have call predecessors, (1035), 1035 states have call successors, (1035) [2024-12-02 15:22:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 6291 transitions. [2024-12-02 15:22:28,988 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 6291 transitions. Word has length 171 [2024-12-02 15:22:28,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:28,989 INFO L471 AbstractCegarLoop]: Abstraction has 4462 states and 6291 transitions. [2024-12-02 15:22:28,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:22:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 6291 transitions. [2024-12-02 15:22:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-12-02 15:22:28,995 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:28,995 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:28,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:22:28,996 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:22:28,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:28,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1738589440, now seen corresponding path program 1 times [2024-12-02 15:22:28,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:28,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095912294] [2024-12-02 15:22:28,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:28,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-12-02 15:22:35,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:35,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095912294] [2024-12-02 15:22:35,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095912294] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:35,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:35,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:22:35,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065424123] [2024-12-02 15:22:35,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:35,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:22:35,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:35,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:22:35,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:22:35,845 INFO L87 Difference]: Start difference. First operand 4462 states and 6291 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:22:39,904 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 15:22:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:41,314 INFO L93 Difference]: Finished difference Result 12650 states and 17841 transitions. [2024-12-02 15:22:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:22:41,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2024-12-02 15:22:41,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:41,359 INFO L225 Difference]: With dead ends: 12650 [2024-12-02 15:22:41,359 INFO L226 Difference]: Without dead ends: 8219 [2024-12-02 15:22:41,376 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 15:22:41,377 INFO L435 NwaCegarLoop]: 3239 mSDtfsCounter, 2717 mSDsluCounter, 3118 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 6357 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:22:41,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2717 Valid, 6357 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 15:22:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8219 states. [2024-12-02 15:22:41,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8219 to 8189. [2024-12-02 15:22:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8189 states, 5870 states have (on average 1.308517887563884) internal successors, (7681), 5986 states have internal predecessors, (7681), 1931 states have call successors, (1931), 388 states have call predecessors, (1931), 385 states have return successors, (1933), 1890 states have call predecessors, (1933), 1927 states have call successors, (1933) [2024-12-02 15:22:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8189 states to 8189 states and 11545 transitions. [2024-12-02 15:22:41,820 INFO L78 Accepts]: Start accepts. Automaton has 8189 states and 11545 transitions. Word has length 180 [2024-12-02 15:22:41,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:41,821 INFO L471 AbstractCegarLoop]: Abstraction has 8189 states and 11545 transitions. [2024-12-02 15:22:41,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-12-02 15:22:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 8189 states and 11545 transitions. [2024-12-02 15:22:41,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-12-02 15:22:41,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:41,832 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:22:41,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:22:41,833 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:22:41,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:41,833 INFO L85 PathProgramCache]: Analyzing trace with hash -312694644, now seen corresponding path program 1 times [2024-12-02 15:22:41,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:41,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779283292] [2024-12-02 15:22:41,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:41,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2024-12-02 15:22:49,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:49,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779283292] [2024-12-02 15:22:49,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779283292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:49,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:49,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:22:49,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810083066] [2024-12-02 15:22:49,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:49,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:22:49,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:49,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:22:49,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:22:49,521 INFO L87 Difference]: Start difference. First operand 8189 states and 11545 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:22:53,580 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 15:22:54,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:54,600 INFO L93 Difference]: Finished difference Result 24193 states and 34159 transitions. [2024-12-02 15:22:54,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:22:54,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 202 [2024-12-02 15:22:54,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:54,684 INFO L225 Difference]: With dead ends: 24193 [2024-12-02 15:22:54,684 INFO L226 Difference]: Without dead ends: 16035 [2024-12-02 15:22:54,713 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 15:22:54,714 INFO L435 NwaCegarLoop]: 3355 mSDtfsCounter, 3151 mSDsluCounter, 3110 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 6465 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:22:54,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 6465 Invalid, 35 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:22:54,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16035 states. [2024-12-02 15:22:55,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16035 to 16001. [2024-12-02 15:22:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16001 states, 11490 states have (on average 1.3113141862489122) internal successors, (15067), 11732 states have internal predecessors, (15067), 3749 states have call successors, (3749), 770 states have call predecessors, (3749), 759 states have return successors, (3783), 3646 states have call predecessors, (3783), 3745 states have call successors, (3783) [2024-12-02 15:22:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16001 states to 16001 states and 22599 transitions. [2024-12-02 15:22:55,300 INFO L78 Accepts]: Start accepts. Automaton has 16001 states and 22599 transitions. Word has length 202 [2024-12-02 15:22:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:55,301 INFO L471 AbstractCegarLoop]: Abstraction has 16001 states and 22599 transitions. [2024-12-02 15:22:55,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:22:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16001 states and 22599 transitions. [2024-12-02 15:22:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-02 15:22:55,309 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:55,310 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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] [2024-12-02 15:22:55,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:22:55,310 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:22:55,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:55,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1778511761, now seen corresponding path program 1 times [2024-12-02 15:22:55,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:55,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713779106] [2024-12-02 15:22:55,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:55,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-12-02 15:23:02,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:02,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713779106] [2024-12-02 15:23:02,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713779106] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:02,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:02,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:23:02,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498610107] [2024-12-02 15:23:02,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:02,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:23:02,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:02,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:23:02,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:23:02,611 INFO L87 Difference]: Start difference. First operand 16001 states and 22599 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:23:06,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:23:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:08,353 INFO L93 Difference]: Finished difference Result 29185 states and 41076 transitions. [2024-12-02 15:23:08,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:23:08,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 214 [2024-12-02 15:23:08,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:08,435 INFO L225 Difference]: With dead ends: 29185 [2024-12-02 15:23:08,435 INFO L226 Difference]: Without dead ends: 13215 [2024-12-02 15:23:08,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:23:08,489 INFO L435 NwaCegarLoop]: 4578 mSDtfsCounter, 2121 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2121 SdHoareTripleChecker+Valid, 7734 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:08,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2121 Valid, 7734 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 15:23:08,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13215 states. [2024-12-02 15:23:08,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13215 to 13183. [2024-12-02 15:23:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13183 states, 9573 states have (on average 1.3073226783662384) internal successors, (12515), 9762 states have internal predecessors, (12515), 2935 states have call successors, (2935), 682 states have call predecessors, (2935), 672 states have return successors, (2950), 2847 states have call predecessors, (2950), 2931 states have call successors, (2950) [2024-12-02 15:23:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13183 states to 13183 states and 18400 transitions. [2024-12-02 15:23:09,059 INFO L78 Accepts]: Start accepts. Automaton has 13183 states and 18400 transitions. Word has length 214 [2024-12-02 15:23:09,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:09,059 INFO L471 AbstractCegarLoop]: Abstraction has 13183 states and 18400 transitions. [2024-12-02 15:23:09,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 15:23:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 13183 states and 18400 transitions. [2024-12-02 15:23:09,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 15:23:09,066 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:09,066 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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 15:23:09,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:23:09,067 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:23:09,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:09,067 INFO L85 PathProgramCache]: Analyzing trace with hash 734874488, now seen corresponding path program 1 times [2024-12-02 15:23:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596424524] [2024-12-02 15:23:09,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2024-12-02 15:23:15,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:15,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596424524] [2024-12-02 15:23:15,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596424524] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:15,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:15,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:23:15,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066684029] [2024-12-02 15:23:15,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:15,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:23:15,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:15,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:23:15,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:23:15,871 INFO L87 Difference]: Start difference. First operand 13183 states and 18400 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 15:23:19,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:23:20,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:20,868 INFO L93 Difference]: Finished difference Result 37993 states and 53149 transitions. [2024-12-02 15:23:20,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:23:20,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 232 [2024-12-02 15:23:20,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:20,954 INFO L225 Difference]: With dead ends: 37993 [2024-12-02 15:23:20,954 INFO L226 Difference]: Without dead ends: 25315 [2024-12-02 15:23:20,987 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 15:23:20,988 INFO L435 NwaCegarLoop]: 3973 mSDtfsCounter, 3062 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 7172 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:20,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 7172 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:23:21,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25315 states. [2024-12-02 15:23:21,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25315 to 25311. [2024-12-02 15:23:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25311 states, 18427 states have (on average 1.3096000434145547) internal successors, (24132), 18773 states have internal predecessors, (24132), 5605 states have call successors, (5605), 1291 states have call predecessors, (5605), 1276 states have return successors, (5639), 5463 states have call predecessors, (5639), 5601 states have call successors, (5639) [2024-12-02 15:23:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25311 states to 25311 states and 35376 transitions. [2024-12-02 15:23:21,700 INFO L78 Accepts]: Start accepts. Automaton has 25311 states and 35376 transitions. Word has length 232 [2024-12-02 15:23:21,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:21,701 INFO L471 AbstractCegarLoop]: Abstraction has 25311 states and 35376 transitions. [2024-12-02 15:23:21,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 15:23:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 25311 states and 35376 transitions. [2024-12-02 15:23:21,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2024-12-02 15:23:21,704 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:21,704 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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 15:23:21,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:23:21,704 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:23:21,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:21,705 INFO L85 PathProgramCache]: Analyzing trace with hash 875423098, now seen corresponding path program 1 times [2024-12-02 15:23:21,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:21,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058382628] [2024-12-02 15:23:21,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:21,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:28,710 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2024-12-02 15:23:28,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:28,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058382628] [2024-12-02 15:23:28,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058382628] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:28,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:28,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:23:28,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028425161] [2024-12-02 15:23:28,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:28,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:28,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:28,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:28,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:28,712 INFO L87 Difference]: Start difference. First operand 25311 states and 35376 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 15:23:29,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:29,559 INFO L93 Difference]: Finished difference Result 25317 states and 35381 transitions. [2024-12-02 15:23:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:29,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 232 [2024-12-02 15:23:29,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:29,637 INFO L225 Difference]: With dead ends: 25317 [2024-12-02 15:23:29,637 INFO L226 Difference]: Without dead ends: 25315 [2024-12-02 15:23:29,649 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 15:23:29,650 INFO L435 NwaCegarLoop]: 3223 mSDtfsCounter, 3165 mSDsluCounter, 6432 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 9655 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 15:23:29,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3166 Valid, 9655 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:23:29,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25315 states. [2024-12-02 15:23:30,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25315 to 25315. [2024-12-02 15:23:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25315 states, 18430 states have (on average 1.3095496473141617) internal successors, (24135), 18776 states have internal predecessors, (24135), 5605 states have call successors, (5605), 1292 states have call predecessors, (5605), 1277 states have return successors, (5639), 5463 states have call predecessors, (5639), 5601 states have call successors, (5639) [2024-12-02 15:23:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25315 states to 25315 states and 35379 transitions. [2024-12-02 15:23:30,571 INFO L78 Accepts]: Start accepts. Automaton has 25315 states and 35379 transitions. Word has length 232 [2024-12-02 15:23:30,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:30,572 INFO L471 AbstractCegarLoop]: Abstraction has 25315 states and 35379 transitions. [2024-12-02 15:23:30,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 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 15:23:30,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25315 states and 35379 transitions. [2024-12-02 15:23:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-12-02 15:23:30,577 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:30,577 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:23:30,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:23:30,577 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:23:30,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1189561560, now seen corresponding path program 1 times [2024-12-02 15:23:30,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:30,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734519489] [2024-12-02 15:23:30,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2024-12-02 15:23:37,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:37,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734519489] [2024-12-02 15:23:37,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734519489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:37,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:37,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:23:37,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684134452] [2024-12-02 15:23:37,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:37,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:37,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:37,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:37,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:37,012 INFO L87 Difference]: Start difference. First operand 25315 states and 35379 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:23:37,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:37,819 INFO L93 Difference]: Finished difference Result 25321 states and 35384 transitions. [2024-12-02 15:23:37,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:37,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 237 [2024-12-02 15:23:37,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:37,881 INFO L225 Difference]: With dead ends: 25321 [2024-12-02 15:23:37,881 INFO L226 Difference]: Without dead ends: 25319 [2024-12-02 15:23:37,888 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 15:23:37,889 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3161 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3162 SdHoareTripleChecker+Valid, 9659 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 15:23:37,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3162 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:23:37,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25319 states. [2024-12-02 15:23:38,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25319 to 25319. [2024-12-02 15:23:38,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25319 states, 18433 states have (on average 1.3094992676178592) internal successors, (24138), 18779 states have internal predecessors, (24138), 5605 states have call successors, (5605), 1293 states have call predecessors, (5605), 1278 states have return successors, (5639), 5463 states have call predecessors, (5639), 5601 states have call successors, (5639) [2024-12-02 15:23:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25319 states to 25319 states and 35382 transitions. [2024-12-02 15:23:38,564 INFO L78 Accepts]: Start accepts. Automaton has 25319 states and 35382 transitions. Word has length 237 [2024-12-02 15:23:38,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:38,565 INFO L471 AbstractCegarLoop]: Abstraction has 25319 states and 35382 transitions. [2024-12-02 15:23:38,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:23:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 25319 states and 35382 transitions. [2024-12-02 15:23:38,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-12-02 15:23:38,569 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:38,569 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:23:38,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:23:38,570 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:23:38,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:38,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1128929286, now seen corresponding path program 1 times [2024-12-02 15:23:38,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:38,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938610344] [2024-12-02 15:23:38,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:38,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 918 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 914 trivial. 0 not checked. [2024-12-02 15:23:45,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:45,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938610344] [2024-12-02 15:23:45,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938610344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:45,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:45,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:23:45,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428110937] [2024-12-02 15:23:45,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:45,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:45,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:45,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:45,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:45,631 INFO L87 Difference]: Start difference. First operand 25319 states and 35382 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:23:46,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:46,477 INFO L93 Difference]: Finished difference Result 25325 states and 35387 transitions. [2024-12-02 15:23:46,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:46,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 242 [2024-12-02 15:23:46,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:46,535 INFO L225 Difference]: With dead ends: 25325 [2024-12-02 15:23:46,535 INFO L226 Difference]: Without dead ends: 25323 [2024-12-02 15:23:46,543 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 15:23:46,543 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3160 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3161 SdHoareTripleChecker+Valid, 9659 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 15:23:46,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3161 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:23:46,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25323 states. [2024-12-02 15:23:47,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25323 to 25323. [2024-12-02 15:23:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25323 states, 18436 states have (on average 1.3094489043176394) internal successors, (24141), 18782 states have internal predecessors, (24141), 5605 states have call successors, (5605), 1294 states have call predecessors, (5605), 1279 states have return successors, (5639), 5463 states have call predecessors, (5639), 5601 states have call successors, (5639) [2024-12-02 15:23:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25323 states to 25323 states and 35385 transitions. [2024-12-02 15:23:47,229 INFO L78 Accepts]: Start accepts. Automaton has 25323 states and 35385 transitions. Word has length 242 [2024-12-02 15:23:47,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:47,230 INFO L471 AbstractCegarLoop]: Abstraction has 25323 states and 35385 transitions. [2024-12-02 15:23:47,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:23:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 25323 states and 35385 transitions. [2024-12-02 15:23:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-12-02 15:23:47,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:47,235 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:23:47,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:23:47,235 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:23:47,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:47,236 INFO L85 PathProgramCache]: Analyzing trace with hash 397869528, now seen corresponding path program 1 times [2024-12-02 15:23:47,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:47,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889642103] [2024-12-02 15:23:47,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2024-12-02 15:23:53,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:53,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889642103] [2024-12-02 15:23:53,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889642103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:53,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:53,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:23:53,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760802635] [2024-12-02 15:23:53,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:53,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:23:53,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:53,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:23:53,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:23:53,536 INFO L87 Difference]: Start difference. First operand 25323 states and 35385 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:23:54,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:54,469 INFO L93 Difference]: Finished difference Result 25329 states and 35390 transitions. [2024-12-02 15:23:54,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:23:54,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 247 [2024-12-02 15:23:54,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:54,538 INFO L225 Difference]: With dead ends: 25329 [2024-12-02 15:23:54,538 INFO L226 Difference]: Without dead ends: 25327 [2024-12-02 15:23:54,550 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 15:23:54,551 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3159 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3160 SdHoareTripleChecker+Valid, 9659 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 15:23:54,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3160 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:23:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25327 states. [2024-12-02 15:23:55,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25327 to 25327. [2024-12-02 15:23:55,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25327 states, 18439 states have (on average 1.3093985574054992) internal successors, (24144), 18785 states have internal predecessors, (24144), 5605 states have call successors, (5605), 1295 states have call predecessors, (5605), 1280 states have return successors, (5639), 5463 states have call predecessors, (5639), 5601 states have call successors, (5639) [2024-12-02 15:23:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25327 states to 25327 states and 35388 transitions. [2024-12-02 15:23:55,370 INFO L78 Accepts]: Start accepts. Automaton has 25327 states and 35388 transitions. Word has length 247 [2024-12-02 15:23:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:55,371 INFO L471 AbstractCegarLoop]: Abstraction has 25327 states and 35388 transitions. [2024-12-02 15:23:55,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:23:55,371 INFO L276 IsEmpty]: Start isEmpty. Operand 25327 states and 35388 transitions. [2024-12-02 15:23:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-12-02 15:23:55,374 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:55,374 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:23:55,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:23:55,375 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:23:55,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:55,375 INFO L85 PathProgramCache]: Analyzing trace with hash -279691737, now seen corresponding path program 1 times [2024-12-02 15:23:55,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:55,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401133180] [2024-12-02 15:23:55,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:55,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-12-02 15:24:01,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:01,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401133180] [2024-12-02 15:24:01,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401133180] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:01,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:01,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:24:01,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313855248] [2024-12-02 15:24:01,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:01,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:24:01,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:01,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:24:01,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:24:01,383 INFO L87 Difference]: Start difference. First operand 25327 states and 35388 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:24:05,433 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 15:24:06,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:06,883 INFO L93 Difference]: Finished difference Result 62324 states and 87183 transitions. [2024-12-02 15:24:06,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:24:06,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 263 [2024-12-02 15:24:06,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:06,995 INFO L225 Difference]: With dead ends: 62324 [2024-12-02 15:24:06,995 INFO L226 Difference]: Without dead ends: 37502 [2024-12-02 15:24:07,059 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 15:24:07,060 INFO L435 NwaCegarLoop]: 5938 mSDtfsCounter, 3095 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3095 SdHoareTripleChecker+Valid, 9139 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:24:07,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3095 Valid, 9139 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:24:07,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37502 states. [2024-12-02 15:24:08,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37502 to 37463. [2024-12-02 15:24:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37463 states, 27301 states have (on average 1.3101717885791728) internal successors, (35769), 27804 states have internal predecessors, (35769), 8275 states have call successors, (8275), 1904 states have call predecessors, (8275), 1884 states have return successors, (8328), 8079 states have call predecessors, (8328), 8271 states have call successors, (8328) [2024-12-02 15:24:08,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37463 states to 37463 states and 52372 transitions. [2024-12-02 15:24:08,264 INFO L78 Accepts]: Start accepts. Automaton has 37463 states and 52372 transitions. Word has length 263 [2024-12-02 15:24:08,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:08,264 INFO L471 AbstractCegarLoop]: Abstraction has 37463 states and 52372 transitions. [2024-12-02 15:24:08,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-12-02 15:24:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 37463 states and 52372 transitions. [2024-12-02 15:24:08,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-12-02 15:24:08,267 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:08,268 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:08,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:24:08,268 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:24:08,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:08,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1720812934, now seen corresponding path program 1 times [2024-12-02 15:24:08,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:08,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500362822] [2024-12-02 15:24:08,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:08,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2024-12-02 15:24:14,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:14,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500362822] [2024-12-02 15:24:14,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500362822] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:14,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:14,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:24:14,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912606796] [2024-12-02 15:24:14,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:14,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:14,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:14,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:14,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:14,804 INFO L87 Difference]: Start difference. First operand 37463 states and 52372 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:24:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:16,026 INFO L93 Difference]: Finished difference Result 37469 states and 52377 transitions. [2024-12-02 15:24:16,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:24:16,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 252 [2024-12-02 15:24:16,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:16,129 INFO L225 Difference]: With dead ends: 37469 [2024-12-02 15:24:16,130 INFO L226 Difference]: Without dead ends: 37467 [2024-12-02 15:24:16,146 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 15:24:16,147 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3158 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 9659 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 15:24:16,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3159 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:24:16,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37467 states. [2024-12-02 15:24:17,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37467 to 37467. [2024-12-02 15:24:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37467 states, 27304 states have (on average 1.3101377087606212) internal successors, (35772), 27807 states have internal predecessors, (35772), 8275 states have call successors, (8275), 1905 states have call predecessors, (8275), 1885 states have return successors, (8328), 8079 states have call predecessors, (8328), 8271 states have call successors, (8328) [2024-12-02 15:24:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37467 states to 37467 states and 52375 transitions. [2024-12-02 15:24:17,481 INFO L78 Accepts]: Start accepts. Automaton has 37467 states and 52375 transitions. Word has length 252 [2024-12-02 15:24:17,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:17,481 INFO L471 AbstractCegarLoop]: Abstraction has 37467 states and 52375 transitions. [2024-12-02 15:24:17,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:24:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 37467 states and 52375 transitions. [2024-12-02 15:24:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 15:24:17,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:17,486 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:17,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:24:17,486 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:24:17,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:17,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1815097048, now seen corresponding path program 1 times [2024-12-02 15:24:17,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:17,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494134457] [2024-12-02 15:24:17,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:17,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 960 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-12-02 15:24:23,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:23,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494134457] [2024-12-02 15:24:23,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494134457] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:23,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:23,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:24:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660923097] [2024-12-02 15:24:23,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:23,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:23,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:23,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:23,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:23,948 INFO L87 Difference]: Start difference. First operand 37467 states and 52375 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:24:25,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:25,310 INFO L93 Difference]: Finished difference Result 37473 states and 52380 transitions. [2024-12-02 15:24:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:24:25,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 257 [2024-12-02 15:24:25,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:25,402 INFO L225 Difference]: With dead ends: 37473 [2024-12-02 15:24:25,402 INFO L226 Difference]: Without dead ends: 37471 [2024-12-02 15:24:25,412 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 15:24:25,412 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3157 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3158 SdHoareTripleChecker+Valid, 9659 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 15:24:25,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3158 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:24:25,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37471 states. [2024-12-02 15:24:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37471 to 37471. [2024-12-02 15:24:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37471 states, 27307 states have (on average 1.3101036364302194) internal successors, (35775), 27810 states have internal predecessors, (35775), 8275 states have call successors, (8275), 1906 states have call predecessors, (8275), 1886 states have return successors, (8328), 8079 states have call predecessors, (8328), 8271 states have call successors, (8328) [2024-12-02 15:24:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37471 states to 37471 states and 52378 transitions. [2024-12-02 15:24:26,798 INFO L78 Accepts]: Start accepts. Automaton has 37471 states and 52378 transitions. Word has length 257 [2024-12-02 15:24:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:26,798 INFO L471 AbstractCegarLoop]: Abstraction has 37471 states and 52378 transitions. [2024-12-02 15:24:26,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:24:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 37471 states and 52378 transitions. [2024-12-02 15:24:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 15:24:26,805 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:26,805 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:26,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:24:26,805 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:24:26,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:26,806 INFO L85 PathProgramCache]: Analyzing trace with hash -219964166, now seen corresponding path program 1 times [2024-12-02 15:24:26,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:26,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242779418] [2024-12-02 15:24:26,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:26,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-12-02 15:24:33,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:33,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242779418] [2024-12-02 15:24:33,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242779418] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:33,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:33,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:24:33,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928938271] [2024-12-02 15:24:33,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:33,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:33,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:33,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:33,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:33,689 INFO L87 Difference]: Start difference. First operand 37471 states and 52378 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:24:35,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:35,277 INFO L93 Difference]: Finished difference Result 39165 states and 54145 transitions. [2024-12-02 15:24:35,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:24:35,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 262 [2024-12-02 15:24:35,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:35,367 INFO L225 Difference]: With dead ends: 39165 [2024-12-02 15:24:35,367 INFO L226 Difference]: Without dead ends: 39163 [2024-12-02 15:24:35,380 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 15:24:35,381 INFO L435 NwaCegarLoop]: 3232 mSDtfsCounter, 3035 mSDsluCounter, 6650 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 9882 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 15:24:35,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 9882 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:24:35,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39163 states. [2024-12-02 15:24:36,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39163 to 39161. [2024-12-02 15:24:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39161 states, 28495 states have (on average 1.3039129671872258) internal successors, (37155), 29016 states have internal predecessors, (37155), 8467 states have call successors, (8467), 2216 states have call predecessors, (8467), 2196 states have return successors, (8520), 8271 states have call predecessors, (8520), 8463 states have call successors, (8520) [2024-12-02 15:24:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39161 states to 39161 states and 54142 transitions. [2024-12-02 15:24:36,855 INFO L78 Accepts]: Start accepts. Automaton has 39161 states and 54142 transitions. Word has length 262 [2024-12-02 15:24:36,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:36,855 INFO L471 AbstractCegarLoop]: Abstraction has 39161 states and 54142 transitions. [2024-12-02 15:24:36,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:24:36,855 INFO L276 IsEmpty]: Start isEmpty. Operand 39161 states and 54142 transitions. [2024-12-02 15:24:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-12-02 15:24:36,860 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:36,860 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:36,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:24:36,860 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:24:36,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1824076840, now seen corresponding path program 1 times [2024-12-02 15:24:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:36,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808557705] [2024-12-02 15:24:36,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:36,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2024-12-02 15:24:43,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:43,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808557705] [2024-12-02 15:24:43,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808557705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:43,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:43,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:24:43,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566639367] [2024-12-02 15:24:43,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:43,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:43,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:43,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:43,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:43,375 INFO L87 Difference]: Start difference. First operand 39161 states and 54142 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 15:24:44,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:44,898 INFO L93 Difference]: Finished difference Result 39167 states and 54147 transitions. [2024-12-02 15:24:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:24:44,898 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 267 [2024-12-02 15:24:44,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:44,991 INFO L225 Difference]: With dead ends: 39167 [2024-12-02 15:24:44,991 INFO L226 Difference]: Without dead ends: 39165 [2024-12-02 15:24:45,004 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 15:24:45,005 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3155 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3156 SdHoareTripleChecker+Valid, 9659 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 15:24:45,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3156 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:24:45,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39165 states. [2024-12-02 15:24:46,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39165 to 39165. [2024-12-02 15:24:46,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39165 states, 28498 states have (on average 1.3038809741034458) internal successors, (37158), 29019 states have internal predecessors, (37158), 8467 states have call successors, (8467), 2217 states have call predecessors, (8467), 2197 states have return successors, (8520), 8271 states have call predecessors, (8520), 8463 states have call successors, (8520) [2024-12-02 15:24:46,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39165 states to 39165 states and 54145 transitions. [2024-12-02 15:24:46,566 INFO L78 Accepts]: Start accepts. Automaton has 39165 states and 54145 transitions. Word has length 267 [2024-12-02 15:24:46,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:46,567 INFO L471 AbstractCegarLoop]: Abstraction has 39165 states and 54145 transitions. [2024-12-02 15:24:46,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-12-02 15:24:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 39165 states and 54145 transitions. [2024-12-02 15:24:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-12-02 15:24:46,572 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:46,572 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:46,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:24:46,572 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:24:46,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:46,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1298051206, now seen corresponding path program 1 times [2024-12-02 15:24:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:46,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2484378] [2024-12-02 15:24:46,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:24:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:24:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2024-12-02 15:24:53,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:24:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2484378] [2024-12-02 15:24:53,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2484378] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:24:53,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:24:53,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:24:53,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381018022] [2024-12-02 15:24:53,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:24:53,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:24:53,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:24:53,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:24:53,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:24:53,096 INFO L87 Difference]: Start difference. First operand 39165 states and 54145 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 15:24:54,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:24:54,711 INFO L93 Difference]: Finished difference Result 39171 states and 54150 transitions. [2024-12-02 15:24:54,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:24:54,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 272 [2024-12-02 15:24:54,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:24:54,824 INFO L225 Difference]: With dead ends: 39171 [2024-12-02 15:24:54,825 INFO L226 Difference]: Without dead ends: 39169 [2024-12-02 15:24:54,842 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 15:24:54,843 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3154 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 9659 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 15:24:54,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:24:54,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39169 states. [2024-12-02 15:24:56,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39169 to 39169. [2024-12-02 15:24:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39169 states, 28501 states have (on average 1.3038489877548156) internal successors, (37161), 29022 states have internal predecessors, (37161), 8467 states have call successors, (8467), 2218 states have call predecessors, (8467), 2198 states have return successors, (8520), 8271 states have call predecessors, (8520), 8463 states have call successors, (8520) [2024-12-02 15:24:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39169 states to 39169 states and 54148 transitions. [2024-12-02 15:24:56,499 INFO L78 Accepts]: Start accepts. Automaton has 39169 states and 54148 transitions. Word has length 272 [2024-12-02 15:24:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:24:56,499 INFO L471 AbstractCegarLoop]: Abstraction has 39169 states and 54148 transitions. [2024-12-02 15:24:56,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-12-02 15:24:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 39169 states and 54148 transitions. [2024-12-02 15:24:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-12-02 15:24:56,506 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:24:56,506 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:24:56,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:24:56,506 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:24:56,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:24:56,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1158752040, now seen corresponding path program 1 times [2024-12-02 15:24:56,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:24:56,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740611049] [2024-12-02 15:24:56,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:24:56,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1054 trivial. 0 not checked. [2024-12-02 15:25:03,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:03,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740611049] [2024-12-02 15:25:03,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740611049] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:03,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:03,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:25:03,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556910501] [2024-12-02 15:25:03,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:03,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:25:03,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:03,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:25:03,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:25:03,389 INFO L87 Difference]: Start difference. First operand 39169 states and 54148 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 15:25:05,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:05,086 INFO L93 Difference]: Finished difference Result 39175 states and 54153 transitions. [2024-12-02 15:25:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:25:05,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 277 [2024-12-02 15:25:05,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:05,169 INFO L225 Difference]: With dead ends: 39175 [2024-12-02 15:25:05,169 INFO L226 Difference]: Without dead ends: 39173 [2024-12-02 15:25:05,178 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 15:25:05,178 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3153 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 9659 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 15:25:05,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3154 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:25:05,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39173 states. [2024-12-02 15:25:06,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39173 to 39173. [2024-12-02 15:25:06,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39173 states, 28504 states have (on average 1.3038170081392084) internal successors, (37164), 29025 states have internal predecessors, (37164), 8467 states have call successors, (8467), 2219 states have call predecessors, (8467), 2199 states have return successors, (8520), 8271 states have call predecessors, (8520), 8463 states have call successors, (8520) [2024-12-02 15:25:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39173 states to 39173 states and 54151 transitions. [2024-12-02 15:25:06,902 INFO L78 Accepts]: Start accepts. Automaton has 39173 states and 54151 transitions. Word has length 277 [2024-12-02 15:25:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:06,903 INFO L471 AbstractCegarLoop]: Abstraction has 39173 states and 54151 transitions. [2024-12-02 15:25:06,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-12-02 15:25:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 39173 states and 54151 transitions. [2024-12-02 15:25:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2024-12-02 15:25:06,914 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:06,914 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:25:06,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:25:06,914 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:25:06,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:06,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1127453178, now seen corresponding path program 1 times [2024-12-02 15:25:06,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:06,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133212728] [2024-12-02 15:25:06,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:06,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:13,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2024-12-02 15:25:13,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:13,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133212728] [2024-12-02 15:25:13,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133212728] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:13,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:13,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:25:13,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406960708] [2024-12-02 15:25:13,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:13,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:25:13,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:13,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:25:13,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:25:13,789 INFO L87 Difference]: Start difference. First operand 39173 states and 54151 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:25:15,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:15,575 INFO L93 Difference]: Finished difference Result 39179 states and 54156 transitions. [2024-12-02 15:25:15,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:25:15,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 282 [2024-12-02 15:25:15,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:15,667 INFO L225 Difference]: With dead ends: 39179 [2024-12-02 15:25:15,667 INFO L226 Difference]: Without dead ends: 39177 [2024-12-02 15:25:15,680 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 15:25:15,680 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3152 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3153 SdHoareTripleChecker+Valid, 9659 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 15:25:15,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3153 Valid, 9659 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:25:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39177 states. [2024-12-02 15:25:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39177 to 39177. [2024-12-02 15:25:17,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39177 states, 28507 states have (on average 1.3037850352544988) internal successors, (37167), 29028 states have internal predecessors, (37167), 8467 states have call successors, (8467), 2220 states have call predecessors, (8467), 2200 states have return successors, (8520), 8271 states have call predecessors, (8520), 8463 states have call successors, (8520) [2024-12-02 15:25:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39177 states to 39177 states and 54154 transitions. [2024-12-02 15:25:17,565 INFO L78 Accepts]: Start accepts. Automaton has 39177 states and 54154 transitions. Word has length 282 [2024-12-02 15:25:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:17,566 INFO L471 AbstractCegarLoop]: Abstraction has 39177 states and 54154 transitions. [2024-12-02 15:25:17,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 15:25:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 39177 states and 54154 transitions. [2024-12-02 15:25:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2024-12-02 15:25:17,572 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:17,572 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:25:17,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:25:17,573 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:25:17,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:17,573 INFO L85 PathProgramCache]: Analyzing trace with hash 2003012588, now seen corresponding path program 1 times [2024-12-02 15:25:17,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:17,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445200890] [2024-12-02 15:25:17,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:17,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-12-02 15:25:23,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:23,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445200890] [2024-12-02 15:25:23,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445200890] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:23,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:23,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:25:23,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486016206] [2024-12-02 15:25:23,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:23,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:25:23,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:23,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:25:23,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:25:23,519 INFO L87 Difference]: Start difference. First operand 39177 states and 54154 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 15:25:27,575 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 15:25:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:30,906 INFO L93 Difference]: Finished difference Result 91645 states and 126594 transitions. [2024-12-02 15:25:30,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:25:30,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 283 [2024-12-02 15:25:30,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:31,058 INFO L225 Difference]: With dead ends: 91645 [2024-12-02 15:25:31,058 INFO L226 Difference]: Without dead ends: 52973 [2024-12-02 15:25:31,141 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 15:25:31,141 INFO L435 NwaCegarLoop]: 5241 mSDtfsCounter, 2106 mSDsluCounter, 3155 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 8396 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:31,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 8396 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 15:25:31,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52973 states. [2024-12-02 15:25:33,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52973 to 52897. [2024-12-02 15:25:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52897 states, 38703 states have (on average 1.3037749011704518) internal successors, (50460), 39375 states have internal predecessors, (50460), 11171 states have call successors, (11171), 3044 states have call predecessors, (11171), 3020 states have return successors, (11224), 10928 states have call predecessors, (11224), 11167 states have call successors, (11224) [2024-12-02 15:25:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52897 states to 52897 states and 72855 transitions. [2024-12-02 15:25:33,593 INFO L78 Accepts]: Start accepts. Automaton has 52897 states and 72855 transitions. Word has length 283 [2024-12-02 15:25:33,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:33,594 INFO L471 AbstractCegarLoop]: Abstraction has 52897 states and 72855 transitions. [2024-12-02 15:25:33,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 15:25:33,594 INFO L276 IsEmpty]: Start isEmpty. Operand 52897 states and 72855 transitions. [2024-12-02 15:25:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-12-02 15:25:33,599 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:33,599 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 12, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:25:33,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:25:33,599 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:25:33,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:33,600 INFO L85 PathProgramCache]: Analyzing trace with hash 807163352, now seen corresponding path program 1 times [2024-12-02 15:25:33,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:33,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562935319] [2024-12-02 15:25:33,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2024-12-02 15:25:40,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:40,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562935319] [2024-12-02 15:25:40,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562935319] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:40,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:40,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:25:40,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795466225] [2024-12-02 15:25:40,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:40,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:25:40,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:40,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:25:40,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:25:40,125 INFO L87 Difference]: Start difference. First operand 52897 states and 72855 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 15:25:42,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:42,673 INFO L93 Difference]: Finished difference Result 53205 states and 73071 transitions. [2024-12-02 15:25:42,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:25:42,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 287 [2024-12-02 15:25:42,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:42,801 INFO L225 Difference]: With dead ends: 53205 [2024-12-02 15:25:42,801 INFO L226 Difference]: Without dead ends: 53201 [2024-12-02 15:25:42,817 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 15:25:42,817 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 3087 mSDsluCounter, 6503 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3088 SdHoareTripleChecker+Valid, 9729 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:42,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3088 Valid, 9729 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:25:42,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53201 states. [2024-12-02 15:25:45,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53201 to 53199. [2024-12-02 15:25:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53199 states, 38915 states have (on average 1.3020943081074137) internal successors, (50671), 39586 states have internal predecessors, (50671), 11171 states have call successors, (11171), 3135 states have call predecessors, (11171), 3110 states have return successors, (11224), 10928 states have call predecessors, (11224), 11167 states have call successors, (11224) [2024-12-02 15:25:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53199 states to 53199 states and 73066 transitions. [2024-12-02 15:25:45,654 INFO L78 Accepts]: Start accepts. Automaton has 53199 states and 73066 transitions. Word has length 287 [2024-12-02 15:25:45,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:45,654 INFO L471 AbstractCegarLoop]: Abstraction has 53199 states and 73066 transitions. [2024-12-02 15:25:45,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-12-02 15:25:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 53199 states and 73066 transitions. [2024-12-02 15:25:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-12-02 15:25:45,659 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:45,660 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 13, 12, 12, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:25:45,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:25:45,660 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:25:45,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:45,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1344693370, now seen corresponding path program 1 times [2024-12-02 15:25:45,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:45,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132676050] [2024-12-02 15:25:45,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:45,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:25:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2024-12-02 15:25:52,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:25:52,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132676050] [2024-12-02 15:25:52,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132676050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:25:52,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:25:52,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:25:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313882444] [2024-12-02 15:25:52,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:25:52,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:25:52,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:25:52,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:25:52,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:25:52,382 INFO L87 Difference]: Start difference. First operand 53199 states and 73066 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 15:25:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:54,958 INFO L93 Difference]: Finished difference Result 53199 states and 73066 transitions. [2024-12-02 15:25:54,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:25:54,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 292 [2024-12-02 15:25:54,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:55,083 INFO L225 Difference]: With dead ends: 53199 [2024-12-02 15:25:55,083 INFO L226 Difference]: Without dead ends: 52432 [2024-12-02 15:25:55,097 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 15:25:55,098 INFO L435 NwaCegarLoop]: 3224 mSDtfsCounter, 3147 mSDsluCounter, 6431 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 9655 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 15:25:55,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 9655 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:25:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52432 states. [2024-12-02 15:25:57,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52432 to 52432. [2024-12-02 15:25:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52432 states, 38375 states have (on average 1.302358306188925) internal successors, (49978), 39008 states have internal predecessors, (49978), 10995 states have call successors, (10995), 3075 states have call predecessors, (10995), 3060 states have return successors, (11052), 10798 states have call predecessors, (11052), 10995 states have call successors, (11052) [2024-12-02 15:25:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52432 states to 52432 states and 72025 transitions. [2024-12-02 15:25:57,703 INFO L78 Accepts]: Start accepts. Automaton has 52432 states and 72025 transitions. Word has length 292 [2024-12-02 15:25:57,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:57,703 INFO L471 AbstractCegarLoop]: Abstraction has 52432 states and 72025 transitions. [2024-12-02 15:25:57,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-12-02 15:25:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 52432 states and 72025 transitions. [2024-12-02 15:25:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-12-02 15:25:57,715 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:57,715 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:25:57,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:25:57,715 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:25:57,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:57,716 INFO L85 PathProgramCache]: Analyzing trace with hash -914742321, now seen corresponding path program 1 times [2024-12-02 15:25:57,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:25:57,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999827277] [2024-12-02 15:25:57,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2024-12-02 15:26:04,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:04,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999827277] [2024-12-02 15:26:04,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999827277] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:04,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:04,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:04,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327928401] [2024-12-02 15:26:04,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:04,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:04,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:04,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:04,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:04,490 INFO L87 Difference]: Start difference. First operand 52432 states and 72025 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:26:08,546 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 15:26:12,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:12,560 INFO L93 Difference]: Finished difference Result 118048 states and 162096 transitions. [2024-12-02 15:26:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:12,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 357 [2024-12-02 15:26:12,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:12,749 INFO L225 Difference]: With dead ends: 118048 [2024-12-02 15:26:12,749 INFO L226 Difference]: Without dead ends: 65642 [2024-12-02 15:26:12,859 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 15:26:12,860 INFO L435 NwaCegarLoop]: 5222 mSDtfsCounter, 2062 mSDsluCounter, 3109 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2062 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:12,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2062 Valid, 8331 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:26:12,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65642 states. [2024-12-02 15:26:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65642 to 65634. [2024-12-02 15:26:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65634 states, 48189 states have (on average 1.3025171719687065) internal successors, (62767), 48959 states have internal predecessors, (62767), 13571 states have call successors, (13571), 3887 states have call predecessors, (13571), 3872 states have return successors, (13628), 13344 states have call predecessors, (13628), 13571 states have call successors, (13628) [2024-12-02 15:26:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65634 states to 65634 states and 89966 transitions. [2024-12-02 15:26:16,374 INFO L78 Accepts]: Start accepts. Automaton has 65634 states and 89966 transitions. Word has length 357 [2024-12-02 15:26:16,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:16,374 INFO L471 AbstractCegarLoop]: Abstraction has 65634 states and 89966 transitions. [2024-12-02 15:26:16,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:26:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 65634 states and 89966 transitions. [2024-12-02 15:26:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2024-12-02 15:26:16,384 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:16,385 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:16,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:26:16,385 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:26:16,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash 39197837, now seen corresponding path program 1 times [2024-12-02 15:26:16,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:16,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013995154] [2024-12-02 15:26:16,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:16,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1123 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2024-12-02 15:26:22,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:22,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013995154] [2024-12-02 15:26:22,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013995154] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:22,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:22,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:22,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840319835] [2024-12-02 15:26:22,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:22,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:22,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:22,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:22,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:22,848 INFO L87 Difference]: Start difference. First operand 65634 states and 89966 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:26:26,895 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 15:26:31,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:31,685 INFO L93 Difference]: Finished difference Result 148361 states and 203374 transitions. [2024-12-02 15:26:31,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:31,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 357 [2024-12-02 15:26:31,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:31,911 INFO L225 Difference]: With dead ends: 148361 [2024-12-02 15:26:31,911 INFO L226 Difference]: Without dead ends: 83232 [2024-12-02 15:26:32,033 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 15:26:32,035 INFO L435 NwaCegarLoop]: 5536 mSDtfsCounter, 2834 mSDsluCounter, 2698 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 8234 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:32,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 8234 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:26:32,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83232 states. [2024-12-02 15:26:37,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83232 to 83224. [2024-12-02 15:26:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83224 states, 60989 states have (on average 1.3001196937152601) internal successors, (79293), 61934 states have internal predecessors, (79293), 17277 states have call successors, (17277), 4986 states have call predecessors, (17277), 4956 states have return successors, (17334), 16998 states have call predecessors, (17334), 17277 states have call successors, (17334) [2024-12-02 15:26:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83224 states to 83224 states and 113904 transitions. [2024-12-02 15:26:37,322 INFO L78 Accepts]: Start accepts. Automaton has 83224 states and 113904 transitions. Word has length 357 [2024-12-02 15:26:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:37,323 INFO L471 AbstractCegarLoop]: Abstraction has 83224 states and 113904 transitions. [2024-12-02 15:26:37,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-12-02 15:26:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 83224 states and 113904 transitions. [2024-12-02 15:26:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-12-02 15:26:37,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:37,334 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:37,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:26:37,334 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:26:37,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:37,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2002773548, now seen corresponding path program 1 times [2024-12-02 15:26:37,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:37,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878957446] [2024-12-02 15:26:37,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:37,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:26:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:43,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2024-12-02 15:26:43,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:26:43,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878957446] [2024-12-02 15:26:43,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878957446] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:43,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:43,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:26:43,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669289044] [2024-12-02 15:26:43,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:43,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:26:43,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:26:43,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:26:43,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:26:43,698 INFO L87 Difference]: Start difference. First operand 83224 states and 113904 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 15:26:47,750 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 15:26:53,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:53,458 INFO L93 Difference]: Finished difference Result 179629 states and 245868 transitions. [2024-12-02 15:26:53,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:26:53,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 411 [2024-12-02 15:26:53,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:53,721 INFO L225 Difference]: With dead ends: 179629 [2024-12-02 15:26:53,721 INFO L226 Difference]: Without dead ends: 96910 [2024-12-02 15:26:53,866 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 15:26:53,866 INFO L435 NwaCegarLoop]: 4845 mSDtfsCounter, 2064 mSDsluCounter, 3108 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:53,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 7953 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 15:26:53,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96910 states. [2024-12-02 15:26:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96910 to 96902. [2024-12-02 15:26:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96902 states, 71164 states have (on average 1.300503063346636) internal successors, (92549), 72248 states have internal predecessors, (92549), 19939 states have call successors, (19939), 5827 states have call predecessors, (19939), 5797 states have return successors, (19996), 19629 states have call predecessors, (19996), 19939 states have call successors, (19996) [2024-12-02 15:26:58,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96902 states to 96902 states and 132484 transitions. [2024-12-02 15:26:59,044 INFO L78 Accepts]: Start accepts. Automaton has 96902 states and 132484 transitions. Word has length 411 [2024-12-02 15:26:59,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:59,044 INFO L471 AbstractCegarLoop]: Abstraction has 96902 states and 132484 transitions. [2024-12-02 15:26:59,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 15:26:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 96902 states and 132484 transitions. [2024-12-02 15:26:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-12-02 15:26:59,065 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:59,065 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:59,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:26:59,065 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:26:59,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:59,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1338253590, now seen corresponding path program 1 times [2024-12-02 15:26:59,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:26:59,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703395155] [2024-12-02 15:26:59,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:59,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2024-12-02 15:27:06,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:06,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703395155] [2024-12-02 15:27:06,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703395155] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:06,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:06,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:06,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257643292] [2024-12-02 15:27:06,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:06,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:06,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:06,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:06,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:06,515 INFO L87 Difference]: Start difference. First operand 96902 states and 132484 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 15:27:10,572 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 15:27:16,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:16,718 INFO L93 Difference]: Finished difference Result 207129 states and 283208 transitions. [2024-12-02 15:27:16,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:16,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 411 [2024-12-02 15:27:16,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:17,083 INFO L225 Difference]: With dead ends: 207129 [2024-12-02 15:27:17,083 INFO L226 Difference]: Without dead ends: 110732 [2024-12-02 15:27:17,287 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 15:27:17,287 INFO L435 NwaCegarLoop]: 5220 mSDtfsCounter, 2077 mSDsluCounter, 3109 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 8329 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:17,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2077 Valid, 8329 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 15:27:17,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110732 states. [2024-12-02 15:27:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110732 to 110724. [2024-12-02 15:27:22,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110724 states, 81459 states have (on average 1.300642040781252) internal successors, (105949), 82682 states have internal predecessors, (105949), 22613 states have call successors, (22613), 6680 states have call predecessors, (22613), 6650 states have return successors, (22670), 22272 states have call predecessors, (22670), 22613 states have call successors, (22670) [2024-12-02 15:27:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110724 states to 110724 states and 151232 transitions. [2024-12-02 15:27:22,839 INFO L78 Accepts]: Start accepts. Automaton has 110724 states and 151232 transitions. Word has length 411 [2024-12-02 15:27:22,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:22,840 INFO L471 AbstractCegarLoop]: Abstraction has 110724 states and 151232 transitions. [2024-12-02 15:27:22,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 15:27:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 110724 states and 151232 transitions. [2024-12-02 15:27:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2024-12-02 15:27:22,857 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:22,858 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:22,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:27:22,858 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:27:22,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:22,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1689376427, now seen corresponding path program 1 times [2024-12-02 15:27:22,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:22,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574284478] [2024-12-02 15:27:22,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:22,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-12-02 15:27:30,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:30,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574284478] [2024-12-02 15:27:30,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574284478] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:30,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:30,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:30,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117074173] [2024-12-02 15:27:30,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:30,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:30,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:30,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:30,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:30,209 INFO L87 Difference]: Start difference. First operand 110724 states and 151232 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:27:36,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:36,632 INFO L93 Difference]: Finished difference Result 221009 states and 302083 transitions. [2024-12-02 15:27:36,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:36,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 452 [2024-12-02 15:27:36,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:37,067 INFO L225 Difference]: With dead ends: 221009 [2024-12-02 15:27:37,067 INFO L226 Difference]: Without dead ends: 110790 [2024-12-02 15:27:37,310 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 15:27:37,310 INFO L435 NwaCegarLoop]: 3168 mSDtfsCounter, 0 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6332 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 15:27:37,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6332 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:27:37,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110790 states. [2024-12-02 15:27:42,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110790 to 110790. [2024-12-02 15:27:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110790 states, 81525 states have (on average 1.3003986507206378) internal successors, (106015), 82748 states have internal predecessors, (106015), 22613 states have call successors, (22613), 6680 states have call predecessors, (22613), 6650 states have return successors, (22670), 22272 states have call predecessors, (22670), 22613 states have call successors, (22670) [2024-12-02 15:27:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110790 states to 110790 states and 151298 transitions. [2024-12-02 15:27:43,224 INFO L78 Accepts]: Start accepts. Automaton has 110790 states and 151298 transitions. Word has length 452 [2024-12-02 15:27:43,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:43,224 INFO L471 AbstractCegarLoop]: Abstraction has 110790 states and 151298 transitions. [2024-12-02 15:27:43,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:27:43,224 INFO L276 IsEmpty]: Start isEmpty. Operand 110790 states and 151298 transitions. [2024-12-02 15:27:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2024-12-02 15:27:43,244 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:43,244 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:43,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:27:43,244 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:27:43,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:43,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1214340720, now seen corresponding path program 1 times [2024-12-02 15:27:43,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:43,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475221094] [2024-12-02 15:27:43,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:43,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-12-02 15:27:50,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:50,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475221094] [2024-12-02 15:27:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475221094] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:50,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:50,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:27:50,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98154992] [2024-12-02 15:27:50,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:50,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:27:50,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:50,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:27:50,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:27:50,398 INFO L87 Difference]: Start difference. First operand 110790 states and 151298 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:27:55,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:55,446 INFO L93 Difference]: Finished difference Result 221867 states and 303229 transitions. [2024-12-02 15:27:55,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:27:55,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 453 [2024-12-02 15:27:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:55,830 INFO L225 Difference]: With dead ends: 221867 [2024-12-02 15:27:55,830 INFO L226 Difference]: Without dead ends: 111582 [2024-12-02 15:27:56,056 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 15:27:56,056 INFO L435 NwaCegarLoop]: 3164 mSDtfsCounter, 165 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 6150 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:56,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 6150 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:27:56,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111582 states. [2024-12-02 15:28:01,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111582 to 110790. [2024-12-02 15:28:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110790 states, 81525 states have (on average 1.2979699478687519) internal successors, (105817), 82748 states have internal predecessors, (105817), 22613 states have call successors, (22613), 6680 states have call predecessors, (22613), 6650 states have return successors, (22670), 22272 states have call predecessors, (22670), 22613 states have call successors, (22670) [2024-12-02 15:28:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110790 states to 110790 states and 151100 transitions. [2024-12-02 15:28:02,375 INFO L78 Accepts]: Start accepts. Automaton has 110790 states and 151100 transitions. Word has length 453 [2024-12-02 15:28:02,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:02,375 INFO L471 AbstractCegarLoop]: Abstraction has 110790 states and 151100 transitions. [2024-12-02 15:28:02,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:28:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 110790 states and 151100 transitions. [2024-12-02 15:28:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2024-12-02 15:28:02,390 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:02,390 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:02,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:28:02,390 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:28:02,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:02,391 INFO L85 PathProgramCache]: Analyzing trace with hash -944740131, now seen corresponding path program 1 times [2024-12-02 15:28:02,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:02,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206953069] [2024-12-02 15:28:02,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:02,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-12-02 15:28:09,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:09,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206953069] [2024-12-02 15:28:09,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206953069] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:09,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:09,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:09,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406944859] [2024-12-02 15:28:09,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:09,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:09,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:09,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:09,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:09,185 INFO L87 Difference]: Start difference. First operand 110790 states and 151100 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:28:15,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:15,917 INFO L93 Difference]: Finished difference Result 229985 states and 316099 transitions. [2024-12-02 15:28:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:15,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 455 [2024-12-02 15:28:15,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:16,288 INFO L225 Difference]: With dead ends: 229985 [2024-12-02 15:28:16,289 INFO L226 Difference]: Without dead ends: 119700 [2024-12-02 15:28:16,496 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 15:28:16,496 INFO L435 NwaCegarLoop]: 3296 mSDtfsCounter, 159 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 6460 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:16,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 6460 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:28:16,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119700 states. [2024-12-02 15:28:22,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119700 to 118776. [2024-12-02 15:28:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118776 states, 87927 states have (on average 1.3138057706961457) internal successors, (115519), 89612 states have internal predecessors, (115519), 24197 states have call successors, (24197), 6680 states have call predecessors, (24197), 6650 states have return successors, (24254), 23790 states have call predecessors, (24254), 24197 states have call successors, (24254) [2024-12-02 15:28:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118776 states to 118776 states and 163970 transitions. [2024-12-02 15:28:22,528 INFO L78 Accepts]: Start accepts. Automaton has 118776 states and 163970 transitions. Word has length 455 [2024-12-02 15:28:22,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:22,529 INFO L471 AbstractCegarLoop]: Abstraction has 118776 states and 163970 transitions. [2024-12-02 15:28:22,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:28:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 118776 states and 163970 transitions. [2024-12-02 15:28:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2024-12-02 15:28:22,545 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:22,545 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:22,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:28:22,545 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:28:22,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:22,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1402532511, now seen corresponding path program 1 times [2024-12-02 15:28:22,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:22,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932406535] [2024-12-02 15:28:22,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:22,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-12-02 15:28:29,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:29,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932406535] [2024-12-02 15:28:29,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932406535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:29,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:29,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:29,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376629876] [2024-12-02 15:28:29,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:29,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:29,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:29,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:29,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:29,288 INFO L87 Difference]: Start difference. First operand 118776 states and 163970 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:28:36,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:36,971 INFO L93 Difference]: Finished difference Result 237905 states and 328705 transitions. [2024-12-02 15:28:36,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:36,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 456 [2024-12-02 15:28:36,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:37,611 INFO L225 Difference]: With dead ends: 237905 [2024-12-02 15:28:37,612 INFO L226 Difference]: Without dead ends: 119634 [2024-12-02 15:28:37,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:37,848 INFO L435 NwaCegarLoop]: 3169 mSDtfsCounter, 162 mSDsluCounter, 3137 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 6306 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:37,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 6306 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:28:37,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119634 states. [2024-12-02 15:28:43,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119634 to 118842. [2024-12-02 15:28:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118842 states, 87993 states have (on average 1.3135703976452673) internal successors, (115585), 89678 states have internal predecessors, (115585), 24197 states have call successors, (24197), 6680 states have call predecessors, (24197), 6650 states have return successors, (24254), 23790 states have call predecessors, (24254), 24197 states have call successors, (24254) [2024-12-02 15:28:44,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118842 states to 118842 states and 164036 transitions. [2024-12-02 15:28:44,449 INFO L78 Accepts]: Start accepts. Automaton has 118842 states and 164036 transitions. Word has length 456 [2024-12-02 15:28:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:44,450 INFO L471 AbstractCegarLoop]: Abstraction has 118842 states and 164036 transitions. [2024-12-02 15:28:44,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:28:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 118842 states and 164036 transitions. [2024-12-02 15:28:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-12-02 15:28:44,465 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:44,465 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:28:44,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:28:44,466 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:28:44,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:44,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1920312938, now seen corresponding path program 1 times [2024-12-02 15:28:44,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:44,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720977131] [2024-12-02 15:28:44,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:44,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-12-02 15:28:53,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:53,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720977131] [2024-12-02 15:28:53,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720977131] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:53,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:53,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:28:53,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735741692] [2024-12-02 15:28:53,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:53,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:53,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:53,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:53,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:53,762 INFO L87 Difference]: Start difference. First operand 118842 states and 164036 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:28:58,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:58,921 INFO L93 Difference]: Finished difference Result 119110 states and 164302 transitions. [2024-12-02 15:28:58,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:58,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 457 [2024-12-02 15:28:58,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:59,268 INFO L225 Difference]: With dead ends: 119110 [2024-12-02 15:28:59,268 INFO L226 Difference]: Without dead ends: 119108 [2024-12-02 15:28:59,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 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 15:28:59,296 INFO L435 NwaCegarLoop]: 3167 mSDtfsCounter, 2897 mSDsluCounter, 6538 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 9705 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:59,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 9705 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:28:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119108 states. [2024-12-02 15:29:05,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119108 to 119106. [2024-12-02 15:29:05,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119106 states, 88191 states have (on average 1.3128323751856765) internal successors, (115780), 89876 states have internal predecessors, (115780), 24197 states have call successors, (24197), 6746 states have call predecessors, (24197), 6716 states have return successors, (24254), 23790 states have call predecessors, (24254), 24197 states have call successors, (24254) [2024-12-02 15:29:05,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119106 states to 119106 states and 164231 transitions. [2024-12-02 15:29:05,524 INFO L78 Accepts]: Start accepts. Automaton has 119106 states and 164231 transitions. Word has length 457 [2024-12-02 15:29:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:05,525 INFO L471 AbstractCegarLoop]: Abstraction has 119106 states and 164231 transitions. [2024-12-02 15:29:05,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-12-02 15:29:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 119106 states and 164231 transitions. [2024-12-02 15:29:05,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-12-02 15:29:05,544 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:05,544 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 12, 12, 12, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:05,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:29:05,544 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:05,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:05,544 INFO L85 PathProgramCache]: Analyzing trace with hash 123434865, now seen corresponding path program 1 times [2024-12-02 15:29:05,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:05,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019335329] [2024-12-02 15:29:05,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:05,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1616 trivial. 0 not checked. [2024-12-02 15:29:13,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:13,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019335329] [2024-12-02 15:29:13,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019335329] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:13,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:13,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:13,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750778344] [2024-12-02 15:29:13,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:13,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:13,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:13,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:13,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:13,779 INFO L87 Difference]: Start difference. First operand 119106 states and 164231 transitions. Second operand has 5 states, 5 states have (on average 32.4) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (44), 2 states have call predecessors, (44), 1 states have call successors, (44) [2024-12-02 15:29:17,833 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 15:29:23,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:23,304 INFO L93 Difference]: Finished difference Result 119108 states and 164232 transitions. [2024-12-02 15:29:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:23,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (44), 2 states have call predecessors, (44), 1 states have call successors, (44) Word has length 480 [2024-12-02 15:29:23,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:23,710 INFO L225 Difference]: With dead ends: 119108 [2024-12-02 15:29:23,710 INFO L226 Difference]: Without dead ends: 119106 [2024-12-02 15:29:23,753 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 15:29:23,753 INFO L435 NwaCegarLoop]: 3249 mSDtfsCounter, 199 mSDsluCounter, 9535 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 12784 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:23,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 12784 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:29:23,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119106 states. [2024-12-02 15:29:29,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119106 to 119106. [2024-12-02 15:29:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119106 states, 88191 states have (on average 1.3120499824245104) internal successors, (115711), 89876 states have internal predecessors, (115711), 24197 states have call successors, (24197), 6746 states have call predecessors, (24197), 6716 states have return successors, (24254), 23790 states have call predecessors, (24254), 24197 states have call successors, (24254) [2024-12-02 15:29:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119106 states to 119106 states and 164162 transitions. [2024-12-02 15:29:30,388 INFO L78 Accepts]: Start accepts. Automaton has 119106 states and 164162 transitions. Word has length 480 [2024-12-02 15:29:30,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:30,388 INFO L471 AbstractCegarLoop]: Abstraction has 119106 states and 164162 transitions. [2024-12-02 15:29:30,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.4) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (50), 3 states have call predecessors, (50), 2 states have return successors, (44), 2 states have call predecessors, (44), 1 states have call successors, (44) [2024-12-02 15:29:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 119106 states and 164162 transitions. [2024-12-02 15:29:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2024-12-02 15:29:30,416 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:30,417 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:30,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 15:29:30,417 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:30,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash 190124656, now seen corresponding path program 1 times [2024-12-02 15:29:30,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:30,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451314846] [2024-12-02 15:29:30,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:30,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-12-02 15:29:38,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:38,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451314846] [2024-12-02 15:29:38,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451314846] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:38,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:38,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:38,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037555061] [2024-12-02 15:29:38,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:38,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:38,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:38,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:38,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:38,747 INFO L87 Difference]: Start difference. First operand 119106 states and 164162 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 15:29:45,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:45,346 INFO L93 Difference]: Finished difference Result 238565 states and 329089 transitions. [2024-12-02 15:29:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:45,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 537 [2024-12-02 15:29:45,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:45,764 INFO L225 Difference]: With dead ends: 238565 [2024-12-02 15:29:45,764 INFO L226 Difference]: Without dead ends: 119964 [2024-12-02 15:29:46,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:46,013 INFO L435 NwaCegarLoop]: 3167 mSDtfsCounter, 158 mSDsluCounter, 6122 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 9289 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:46,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 9289 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:29:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119964 states. [2024-12-02 15:29:53,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119964 to 119172. [2024-12-02 15:29:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119172 states, 88257 states have (on average 1.3118166264432283) internal successors, (115777), 89942 states have internal predecessors, (115777), 24197 states have call successors, (24197), 6746 states have call predecessors, (24197), 6716 states have return successors, (24254), 23790 states have call predecessors, (24254), 24197 states have call successors, (24254) [2024-12-02 15:29:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119172 states to 119172 states and 164228 transitions. [2024-12-02 15:29:53,627 INFO L78 Accepts]: Start accepts. Automaton has 119172 states and 164228 transitions. Word has length 537 [2024-12-02 15:29:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:53,628 INFO L471 AbstractCegarLoop]: Abstraction has 119172 states and 164228 transitions. [2024-12-02 15:29:53,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 15:29:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 119172 states and 164228 transitions. [2024-12-02 15:29:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2024-12-02 15:29:53,662 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:53,662 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:29:53,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 15:29:53,662 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:29:53,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:53,663 INFO L85 PathProgramCache]: Analyzing trace with hash 2027706835, now seen corresponding path program 1 times [2024-12-02 15:29:53,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:53,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2523848] [2024-12-02 15:29:53,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:53,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-12-02 15:30:01,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:01,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2523848] [2024-12-02 15:30:01,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2523848] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:01,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:01,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:30:01,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374501364] [2024-12-02 15:30:01,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:01,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:30:01,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:01,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:30:01,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:30:01,249 INFO L87 Difference]: Start difference. First operand 119172 states and 164228 transitions. Second operand has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 15:30:07,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:07,875 INFO L93 Difference]: Finished difference Result 244307 states and 338173 transitions. [2024-12-02 15:30:07,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:30:07,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 538 [2024-12-02 15:30:07,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:08,480 INFO L225 Difference]: With dead ends: 244307 [2024-12-02 15:30:08,480 INFO L226 Difference]: Without dead ends: 125640 [2024-12-02 15:30:08,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:30:08,980 INFO L435 NwaCegarLoop]: 3245 mSDtfsCounter, 107 mSDsluCounter, 6386 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 9631 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:08,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 9631 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:30:09,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125640 states. [2024-12-02 15:30:16,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125640 to 125640. [2024-12-02 15:30:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125640 states, 93207 states have (on average 1.3172079350263393) internal successors, (122773), 94892 states have internal predecessors, (122773), 25715 states have call successors, (25715), 6746 states have call predecessors, (25715), 6716 states have return successors, (25772), 25308 states have call predecessors, (25772), 25715 states have call successors, (25772) [2024-12-02 15:30:16,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125640 states to 125640 states and 174260 transitions. [2024-12-02 15:30:17,034 INFO L78 Accepts]: Start accepts. Automaton has 125640 states and 174260 transitions. Word has length 538 [2024-12-02 15:30:17,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:17,034 INFO L471 AbstractCegarLoop]: Abstraction has 125640 states and 174260 transitions. [2024-12-02 15:30:17,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 15:30:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 125640 states and 174260 transitions. [2024-12-02 15:30:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2024-12-02 15:30:17,062 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:17,062 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:17,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 15:30:17,062 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:17,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:17,063 INFO L85 PathProgramCache]: Analyzing trace with hash -367465814, now seen corresponding path program 1 times [2024-12-02 15:30:17,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:17,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19629532] [2024-12-02 15:30:17,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:17,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-12-02 15:30:23,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:23,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19629532] [2024-12-02 15:30:23,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19629532] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:23,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:23,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:23,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048345141] [2024-12-02 15:30:23,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:23,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:23,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:23,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:23,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:23,890 INFO L87 Difference]: Start difference. First operand 125640 states and 174260 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 4 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2024-12-02 15:30:34,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:34,046 INFO L93 Difference]: Finished difference Result 245363 states and 339385 transitions. [2024-12-02 15:30:34,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:30:34,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 4 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) Word has length 538 [2024-12-02 15:30:34,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:34,494 INFO L225 Difference]: With dead ends: 245363 [2024-12-02 15:30:34,494 INFO L226 Difference]: Without dead ends: 120228 [2024-12-02 15:30:34,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:30:34,731 INFO L435 NwaCegarLoop]: 3149 mSDtfsCounter, 258 mSDsluCounter, 9112 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 12261 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:34,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 12261 Invalid, 129 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 15:30:34,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120228 states. [2024-12-02 15:30:40,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120228 to 119172. [2024-12-02 15:30:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119172 states, 88257 states have (on average 1.308825362294209) internal successors, (115513), 89942 states have internal predecessors, (115513), 24197 states have call successors, (24197), 6746 states have call predecessors, (24197), 6716 states have return successors, (24254), 23790 states have call predecessors, (24254), 24197 states have call successors, (24254) [2024-12-02 15:30:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119172 states to 119172 states and 163964 transitions. [2024-12-02 15:30:41,060 INFO L78 Accepts]: Start accepts. Automaton has 119172 states and 163964 transitions. Word has length 538 [2024-12-02 15:30:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:41,061 INFO L471 AbstractCegarLoop]: Abstraction has 119172 states and 163964 transitions. [2024-12-02 15:30:41,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 5 states have internal predecessors, (196), 4 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 4 states have call predecessors, (53), 4 states have call successors, (53) [2024-12-02 15:30:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 119172 states and 163964 transitions. [2024-12-02 15:30:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2024-12-02 15:30:41,090 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:41,091 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:30:41,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 15:30:41,091 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:30:41,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:41,091 INFO L85 PathProgramCache]: Analyzing trace with hash 965005599, now seen corresponding path program 1 times [2024-12-02 15:30:41,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:41,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780266152] [2024-12-02 15:30:41,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:41,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-12-02 15:30:48,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:48,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780266152] [2024-12-02 15:30:48,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780266152] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:48,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:48,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:30:48,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816018528] [2024-12-02 15:30:48,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:48,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:30:48,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:48,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:30:48,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:30:48,130 INFO L87 Difference]: Start difference. First operand 119172 states and 163964 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 15:30:56,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:56,112 INFO L93 Difference]: Finished difference Result 253151 states and 351727 transitions. [2024-12-02 15:30:56,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:30:56,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 540 [2024-12-02 15:30:56,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:56,585 INFO L225 Difference]: With dead ends: 253151 [2024-12-02 15:30:56,585 INFO L226 Difference]: Without dead ends: 134484 [2024-12-02 15:30:56,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:30:56,787 INFO L435 NwaCegarLoop]: 3287 mSDtfsCounter, 268 mSDsluCounter, 6438 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 9725 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:56,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 9725 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:30:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134484 states. [2024-12-02 15:31:02,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134484 to 127224. [2024-12-02 15:31:02,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127224 states, 94659 states have (on average 1.3234980297700165) internal successors, (125281), 96740 states have internal predecessors, (125281), 25847 states have call successors, (25847), 6746 states have call predecessors, (25847), 6716 states have return successors, (25904), 25374 states have call predecessors, (25904), 25847 states have call successors, (25904) [2024-12-02 15:31:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127224 states to 127224 states and 177032 transitions. [2024-12-02 15:31:03,335 INFO L78 Accepts]: Start accepts. Automaton has 127224 states and 177032 transitions. Word has length 540 [2024-12-02 15:31:03,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:03,335 INFO L471 AbstractCegarLoop]: Abstraction has 127224 states and 177032 transitions. [2024-12-02 15:31:03,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 15:31:03,336 INFO L276 IsEmpty]: Start isEmpty. Operand 127224 states and 177032 transitions. [2024-12-02 15:31:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2024-12-02 15:31:03,363 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:03,363 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:03,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 15:31:03,363 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:31:03,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1848852019, now seen corresponding path program 1 times [2024-12-02 15:31:03,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:03,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584823190] [2024-12-02 15:31:03,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1684 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1682 trivial. 0 not checked. [2024-12-02 15:31:10,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:10,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584823190] [2024-12-02 15:31:10,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584823190] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:10,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:10,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:31:10,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368574230] [2024-12-02 15:31:10,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:10,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:31:10,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:10,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:31:10,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:31:10,303 INFO L87 Difference]: Start difference. First operand 127224 states and 177032 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 15:31:16,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:16,421 INFO L93 Difference]: Finished difference Result 261863 states and 366379 transitions. [2024-12-02 15:31:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:31:16,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 543 [2024-12-02 15:31:16,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:16,895 INFO L225 Difference]: With dead ends: 261863 [2024-12-02 15:31:16,895 INFO L226 Difference]: Without dead ends: 135144 [2024-12-02 15:31:17,131 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 15:31:17,131 INFO L435 NwaCegarLoop]: 3239 mSDtfsCounter, 134 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 6395 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:17,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 6395 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:31:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135144 states. [2024-12-02 15:31:24,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135144 to 127224. [2024-12-02 15:31:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127224 states, 94659 states have (on average 1.3234980297700165) internal successors, (125281), 96740 states have internal predecessors, (125281), 25847 states have call successors, (25847), 6746 states have call predecessors, (25847), 6716 states have return successors, (25904), 25374 states have call predecessors, (25904), 25847 states have call successors, (25904) [2024-12-02 15:31:25,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127224 states to 127224 states and 177032 transitions. [2024-12-02 15:31:25,525 INFO L78 Accepts]: Start accepts. Automaton has 127224 states and 177032 transitions. Word has length 543 [2024-12-02 15:31:25,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:25,526 INFO L471 AbstractCegarLoop]: Abstraction has 127224 states and 177032 transitions. [2024-12-02 15:31:25,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2024-12-02 15:31:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 127224 states and 177032 transitions. [2024-12-02 15:31:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2024-12-02 15:31:25,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:25,553 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:25,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 15:31:25,553 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:31:25,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:25,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1295916557, now seen corresponding path program 1 times [2024-12-02 15:31:25,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:25,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386733567] [2024-12-02 15:31:25,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:25,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2024-12-02 15:31:32,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:32,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386733567] [2024-12-02 15:31:32,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386733567] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:32,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:32,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:32,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272763772] [2024-12-02 15:31:32,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:32,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:32,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:32,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:32,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:32,959 INFO L87 Difference]: Start difference. First operand 127224 states and 177032 transitions. Second operand has 5 states, 5 states have (on average 39.8) internal successors, (199), 4 states have internal predecessors, (199), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 15:31:39,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:39,191 INFO L93 Difference]: Finished difference Result 127224 states and 177032 transitions. [2024-12-02 15:31:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:31:39,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 4 states have internal predecessors, (199), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 541 [2024-12-02 15:31:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:39,657 INFO L225 Difference]: With dead ends: 127224 [2024-12-02 15:31:39,657 INFO L226 Difference]: Without dead ends: 127222 [2024-12-02 15:31:39,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 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 15:31:39,700 INFO L435 NwaCegarLoop]: 3162 mSDtfsCounter, 2922 mSDsluCounter, 6389 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 9551 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:39,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2923 Valid, 9551 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:31:39,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127222 states. [2024-12-02 15:31:45,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127222 to 127222. [2024-12-02 15:31:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127222 states, 94658 states have (on average 1.3228042003845422) internal successors, (125214), 96738 states have internal predecessors, (125214), 25847 states have call successors, (25847), 6746 states have call predecessors, (25847), 6716 states have return successors, (25904), 25374 states have call predecessors, (25904), 25847 states have call successors, (25904) [2024-12-02 15:31:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127222 states to 127222 states and 176965 transitions. [2024-12-02 15:31:46,196 INFO L78 Accepts]: Start accepts. Automaton has 127222 states and 176965 transitions. Word has length 541 [2024-12-02 15:31:46,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:46,197 INFO L471 AbstractCegarLoop]: Abstraction has 127222 states and 176965 transitions. [2024-12-02 15:31:46,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.8) internal successors, (199), 4 states have internal predecessors, (199), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2024-12-02 15:31:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 127222 states and 176965 transitions. [2024-12-02 15:31:46,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2024-12-02 15:31:46,271 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:46,271 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:31:46,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 15:31:46,271 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:31:46,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:46,272 INFO L85 PathProgramCache]: Analyzing trace with hash 907542195, now seen corresponding path program 1 times [2024-12-02 15:31:46,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:46,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602247340] [2024-12-02 15:31:46,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:46,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:53,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2035 trivial. 0 not checked. [2024-12-02 15:31:53,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602247340] [2024-12-02 15:31:53,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602247340] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:53,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:53,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:31:53,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493806607] [2024-12-02 15:31:53,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:53,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:31:53,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:53,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:31:53,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:31:53,604 INFO L87 Difference]: Start difference. First operand 127222 states and 176965 transitions. Second operand has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:31:59,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:59,568 INFO L93 Difference]: Finished difference Result 254413 states and 354365 transitions. [2024-12-02 15:31:59,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:31:59,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) Word has length 663 [2024-12-02 15:31:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:00,221 INFO L225 Difference]: With dead ends: 254413 [2024-12-02 15:32:00,221 INFO L226 Difference]: Without dead ends: 127222 [2024-12-02 15:32:00,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:32:00,473 INFO L435 NwaCegarLoop]: 3158 mSDtfsCounter, 0 mSDsluCounter, 9470 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12628 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:00,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12628 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:32:00,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127222 states. [2024-12-02 15:32:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127222 to 127222. [2024-12-02 15:32:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127222 states, 94658 states have (on average 1.3219273595470007) internal successors, (125131), 96738 states have internal predecessors, (125131), 25847 states have call successors, (25847), 6746 states have call predecessors, (25847), 6716 states have return successors, (25904), 25374 states have call predecessors, (25904), 25847 states have call successors, (25904) [2024-12-02 15:32:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127222 states to 127222 states and 176882 transitions. [2024-12-02 15:32:08,327 INFO L78 Accepts]: Start accepts. Automaton has 127222 states and 176882 transitions. Word has length 663 [2024-12-02 15:32:08,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:08,328 INFO L471 AbstractCegarLoop]: Abstraction has 127222 states and 176882 transitions. [2024-12-02 15:32:08,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 2 states have call successors, (82), 2 states have call predecessors, (82), 3 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2024-12-02 15:32:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 127222 states and 176882 transitions. [2024-12-02 15:32:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2024-12-02 15:32:08,440 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:32:08,441 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:08,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 15:32:08,441 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:32:08,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:32:08,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1761472789, now seen corresponding path program 1 times [2024-12-02 15:32:08,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:32:08,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063185259] [2024-12-02 15:32:08,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:08,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:32:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:32:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2035 trivial. 0 not checked. [2024-12-02 15:32:15,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:32:15,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063185259] [2024-12-02 15:32:15,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063185259] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:32:15,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:32:15,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:32:15,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623527351] [2024-12-02 15:32:15,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:32:15,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:32:15,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:32:15,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:32:15,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:32:15,208 INFO L87 Difference]: Start difference. First operand 127222 states and 176882 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 15:32:21,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:32:21,918 INFO L93 Difference]: Finished difference Result 261859 states and 366014 transitions. [2024-12-02 15:32:21,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:32:21,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) Word has length 664 [2024-12-02 15:32:21,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:22,414 INFO L225 Difference]: With dead ends: 261859 [2024-12-02 15:32:22,414 INFO L226 Difference]: Without dead ends: 135142 [2024-12-02 15:32:22,635 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 15:32:22,635 INFO L435 NwaCegarLoop]: 3338 mSDtfsCounter, 144 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 6501 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:22,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 6501 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:32:22,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135142 states. [2024-12-02 15:32:28,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135142 to 119566. [2024-12-02 15:32:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119566 states, 88586 states have (on average 1.3067414715643555) internal successors, (115759), 90270 states have internal predecessors, (115759), 24263 states have call successors, (24263), 6746 states have call predecessors, (24263), 6716 states have return successors, (24320), 23856 states have call predecessors, (24320), 24263 states have call successors, (24320) [2024-12-02 15:32:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119566 states to 119566 states and 164342 transitions. [2024-12-02 15:32:29,335 INFO L78 Accepts]: Start accepts. Automaton has 119566 states and 164342 transitions. Word has length 664 [2024-12-02 15:32:29,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:29,336 INFO L471 AbstractCegarLoop]: Abstraction has 119566 states and 164342 transitions. [2024-12-02 15:32:29,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 3 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (77), 3 states have call predecessors, (77), 3 states have call successors, (77) [2024-12-02 15:32:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 119566 states and 164342 transitions. [2024-12-02 15:32:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2024-12-02 15:32:29,438 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:32:29,438 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:32:29,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 15:32:29,438 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 15:32:29,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:32:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1993920155, now seen corresponding path program 1 times [2024-12-02 15:32:29,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:32:29,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362706799] [2024-12-02 15:32:29,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:32:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:32:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2024-12-02 15:32:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:32:37,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362706799] [2024-12-02 15:32:37,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362706799] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:32:37,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:32:37,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:32:37,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821271213] [2024-12-02 15:32:37,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:32:37,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:32:37,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:32:37,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:32:37,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:32:37,348 INFO L87 Difference]: Start difference. First operand 119566 states and 164342 transitions. Second operand has 5 states, 5 states have (on average 44.4) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 15:32:41,404 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 15:32:46,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:32:46,937 INFO L93 Difference]: Finished difference Result 119566 states and 164342 transitions. [2024-12-02 15:32:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:32:46,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 648 [2024-12-02 15:32:46,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:47,144 INFO L225 Difference]: With dead ends: 119566 [2024-12-02 15:32:47,144 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:32:47,313 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 15:32:47,313 INFO L435 NwaCegarLoop]: 3164 mSDtfsCounter, 37 mSDsluCounter, 9410 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 12574 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:47,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 12574 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 15:32:47,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:32:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:32:47,314 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 15:32:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:32:47,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 648 [2024-12-02 15:32:47,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:47,491 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:32:47,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (79), 2 states have call predecessors, (79), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2024-12-02 15:32:47,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:32:47,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:32:47,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-12-02 15:32:47,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-12-02 15:32:47,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-12-02 15:32:47,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 15:32:47,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:32:47,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.