./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-smsc-epic100.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_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/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_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/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-smsc-epic100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/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_791979d8-c138-4ab6-bc45-e3237b06f37c/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 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:39:13,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:39:13,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 08:39:13,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:39:13,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:39:13,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:39:13,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:39:13,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:39:13,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:39:13,837 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:39:13,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:39:13,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:39:13,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:39:13,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:39:13,838 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:39:13,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:39:13,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:39:13,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:39:13,839 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:39:13,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:39:13,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:39:13,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:39:13,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:39:13,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:39:13,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:39:13,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:39:13,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:39:13,841 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_791979d8-c138-4ab6-bc45-e3237b06f37c/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 -> 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a [2024-12-02 08:39:14,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:39:14,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:39:14,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:39:14,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:39:14,091 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:39:14,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2024-12-02 08:39:16,703 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/data/3fd2a4d9b/34c49fc0036e409097c50d60ba385a23/FLAG8b21270dc [2024-12-02 08:39:17,133 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:39:17,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2024-12-02 08:39:17,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/data/3fd2a4d9b/34c49fc0036e409097c50d60ba385a23/FLAG8b21270dc [2024-12-02 08:39:17,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/data/3fd2a4d9b/34c49fc0036e409097c50d60ba385a23 [2024-12-02 08:39:17,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:39:17,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:39:17,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:39:17,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:39:17,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:39:17,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:39:17" (1/1) ... [2024-12-02 08:39:17,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3760353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:17, skipping insertion in model container [2024-12-02 08:39:17,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:39:17" (1/1) ... [2024-12-02 08:39:17,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:39:19,349 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2024-12-02 08:39:19,353 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2024-12-02 08:39:19,354 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2024-12-02 08:39:19,354 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2024-12-02 08:39:19,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:39:19,412 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:39:19,508 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"); [5247] [2024-12-02 08:39:19,510 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)); [5254] [2024-12-02 08:39:19,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5261] [2024-12-02 08:39:19,512 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)); [5305-5306] [2024-12-02 08:39:19,513 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"); [5311-5313] [2024-12-02 08:39:19,519 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)); [5517-5518] [2024-12-02 08:39:19,521 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)); [5551-5552] [2024-12-02 08:39:19,523 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)); [5588-5589] [2024-12-02 08:39:19,524 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)); [5625-5626] [2024-12-02 08:39:19,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/netdevice.h"), "i" (502), "i" (12UL)); [5890-5891] [2024-12-02 08:39:19,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5897] [2024-12-02 08:39:19,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6716] [2024-12-02 08:39:19,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6768] [2024-12-02 08:39:19,716 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2024-12-02 08:39:19,717 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332091,332104] [2024-12-02 08:39:19,717 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332258,332271] [2024-12-02 08:39:19,717 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_791979d8-c138-4ab6-bc45-e3237b06f37c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[332426,332439] [2024-12-02 08:39:19,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:39:19,942 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:39:19,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19 WrapperNode [2024-12-02 08:39:19,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:39:19,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:39:19,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:39:19,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:39:19,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:20,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:20,161 INFO L138 Inliner]: procedures = 451, calls = 2223, calls flagged for inlining = 222, calls inlined = 196, statements flattened = 5149 [2024-12-02 08:39:20,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:39:20,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:39:20,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:39:20,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:39:20,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:20,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:20,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,162 INFO L175 MemorySlicer]: Split 1066 memory accesses to 31 slices as follows [5, 5, 2, 3, 5, 5, 8, 1, 2, 7, 10, 10, 2, 70, 62, 8, 19, 3, 7, 523, 1, 8, 8, 52, 8, 91, 2, 1, 5, 5, 128]. 49 percent of accesses are in the largest equivalence class. The 246 initializations are split as follows [5, 5, 0, 0, 5, 5, 8, 1, 2, 0, 8, 8, 0, 0, 0, 6, 0, 1, 7, 20, 0, 8, 8, 0, 8, 0, 2, 1, 5, 5, 128]. The 523 writes are split as follows [0, 0, 1, 0, 0, 0, 0, 0, 0, 6, 0, 0, 1, 70, 62, 0, 17, 0, 0, 246, 0, 0, 0, 42, 0, 78, 0, 0, 0, 0, 0]. [2024-12-02 08:39:21,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,269 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,334 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:39:21,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:39:21,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:39:21,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:39:21,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (1/1) ... [2024-12-02 08:39:21,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:39:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:39:21,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:39:21,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:39:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-12-02 08:39:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-12-02 08:39:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 08:39:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 08:39:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 08:39:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 08:39:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_begin [2024-12-02 08:39:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_begin [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2024-12-02 08:39:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2024-12-02 08:39:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 08:39:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 08:39:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-12-02 08:39:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-12-02 08:39:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-12-02 08:39:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-12-02 08:39:21,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 08:39:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#25 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#26 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#27 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#28 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#29 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#30 [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-12-02 08:39:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-12-02 08:39:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-12-02 08:39:21,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 08:39:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#25 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#26 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#27 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#28 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#29 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#30 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 08:39:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-12-02 08:39:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure epic_open [2024-12-02 08:39:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_open [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:39:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-12-02 08:39:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#28 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#29 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#30 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-12-02 08:39:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-12-02 08:39:21,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:39:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#25 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#26 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#27 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#28 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#29 [2024-12-02 08:39:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#30 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 08:39:21,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#25 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#26 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#27 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#28 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#29 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#30 [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure epic_restart [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_restart [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2024-12-02 08:39:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:39:21,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-12-02 08:39:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-12-02 08:39:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-12-02 08:39:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 08:39:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-12-02 08:39:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 08:39:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#28 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#29 [2024-12-02 08:39:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#30 [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_epic_private [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_epic_private [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure epic_remove_one [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_remove_one [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-12-02 08:39:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-12-02 08:39:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_napi_lock_of_epic_private [2024-12-02 08:39:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_napi_lock_of_epic_private [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-12-02 08:39:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-12-02 08:39:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:39:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 08:39:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#25 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#26 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#27 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#28 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#29 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#30 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 08:39:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#27 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#28 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#29 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#30 [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 08:39:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:39:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure epic_rx [2024-12-02 08:39:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_rx [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_complete [2024-12-02 08:39:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_complete [2024-12-02 08:39:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-12-02 08:39:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_napi_lock_of_epic_private [2024-12-02 08:39:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_napi_lock_of_epic_private [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-12-02 08:39:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 08:39:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#25 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#26 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#27 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#28 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#29 [2024-12-02 08:39:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#30 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 08:39:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#25 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#26 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#27 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#28 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#29 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#30 [2024-12-02 08:39:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-12-02 08:39:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-12-02 08:39:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-12-02 08:39:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:39:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2024-12-02 08:39:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure epic_resume [2024-12-02 08:39:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_resume [2024-12-02 08:39:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-12-02 08:39:21,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-12-02 08:39:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#28 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#29 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#30 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx_timeout [2024-12-02 08:39:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx_timeout [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-12-02 08:39:21,464 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 08:39:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#28 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#29 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#30 [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure epic_close [2024-12-02 08:39:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_close [2024-12-02 08:39:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-12-02 08:39:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-12-02 08:39:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#28 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#29 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#30 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 08:39:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-12-02 08:39:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_epic_private [2024-12-02 08:39:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_epic_private [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 08:39:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 08:39:21,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 08:39:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#28 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#29 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#30 [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 08:39:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 08:39:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure epic_pause [2024-12-02 08:39:21,468 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_pause [2024-12-02 08:39:22,362 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:39:22,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:39:32,288 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-12-02 08:39:33,142 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 08:39:37,685 INFO L? ?]: Removed 2919 outVars from TransFormulas that were not future-live. [2024-12-02 08:39:37,685 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:39:37,724 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:39:37,724 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:39:37,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:39:37 BoogieIcfgContainer [2024-12-02 08:39:37,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:39:37,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:39:37,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:39:37,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:39:37,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:39:17" (1/3) ... [2024-12-02 08:39:37,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af5664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:39:37, skipping insertion in model container [2024-12-02 08:39:37,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:39:19" (2/3) ... [2024-12-02 08:39:37,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af5664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:39:37, skipping insertion in model container [2024-12-02 08:39:37,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:39:37" (3/3) ... [2024-12-02 08:39:37,734 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2024-12-02 08:39:37,749 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:39:37,752 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i that has 155 procedures, 2173 locations, 1 initial locations, 93 loop locations, and 3 error locations. [2024-12-02 08:39:37,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:39:37,851 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;@1b2813e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:39:37,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-02 08:39:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 1901 states, 1335 states have (on average 1.2958801498127341) internal successors, (1730), 1360 states have internal predecessors, (1730), 470 states have call successors, (470), 94 states have call predecessors, (470), 93 states have return successors, (464), 459 states have call predecessors, (464), 464 states have call successors, (464) [2024-12-02 08:39:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 08:39:37,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:37,872 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:39:37,872 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 08:39:37,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:37,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1020003417, now seen corresponding path program 1 times [2024-12-02 08:39:37,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:37,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70978160] [2024-12-02 08:39:37,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:39:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:39:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-12-02 08:39:48,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:39:48,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70978160] [2024-12-02 08:39:48,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70978160] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:39:48,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:39:48,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:39:48,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951931691] [2024-12-02 08:39:48,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:39:48,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:39:48,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:39:48,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:39:48,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:39:48,597 INFO L87 Difference]: Start difference. First operand has 1901 states, 1335 states have (on average 1.2958801498127341) internal successors, (1730), 1360 states have internal predecessors, (1730), 470 states have call successors, (470), 94 states have call predecessors, (470), 93 states have return successors, (464), 459 states have call predecessors, (464), 464 states have call successors, (464) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 08:39:52,700 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 08:39:53,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:39:53,540 INFO L93 Difference]: Finished difference Result 5560 states and 7914 transitions. [2024-12-02 08:39:53,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:39:53,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2024-12-02 08:39:53,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:39:53,578 INFO L225 Difference]: With dead ends: 5560 [2024-12-02 08:39:53,578 INFO L226 Difference]: Without dead ends: 3672 [2024-12-02 08:39:53,592 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 08:39:53,595 INFO L435 NwaCegarLoop]: 2658 mSDtfsCounter, 2511 mSDsluCounter, 2585 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2511 SdHoareTripleChecker+Valid, 5243 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:39:53,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2511 Valid, 5243 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:39:53,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3672 states. [2024-12-02 08:39:53,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3672 to 3668. [2024-12-02 08:39:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3668 states, 2598 states have (on average 1.2829099307159353) internal successors, (3333), 2647 states have internal predecessors, (3333), 885 states have call successors, (885), 183 states have call predecessors, (885), 182 states have return successors, (881), 871 states have call predecessors, (881), 881 states have call successors, (881) [2024-12-02 08:39:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3668 states to 3668 states and 5099 transitions. [2024-12-02 08:39:53,867 INFO L78 Accepts]: Start accepts. Automaton has 3668 states and 5099 transitions. Word has length 127 [2024-12-02 08:39:53,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:39:53,868 INFO L471 AbstractCegarLoop]: Abstraction has 3668 states and 5099 transitions. [2024-12-02 08:39:53,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 08:39:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 5099 transitions. [2024-12-02 08:39:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 08:39:53,874 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:39:53,874 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:39:53,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:39:53,875 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 08:39:53,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:39:53,875 INFO L85 PathProgramCache]: Analyzing trace with hash -933094700, now seen corresponding path program 1 times [2024-12-02 08:39:53,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:39:53,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163546344] [2024-12-02 08:39:53,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:39:53,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-12-02 08:40:03,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:03,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163546344] [2024-12-02 08:40:03,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163546344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:03,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:03,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:40:03,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354548546] [2024-12-02 08:40:03,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:03,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:40:03,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:03,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:40:03,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:40:03,669 INFO L87 Difference]: Start difference. First operand 3668 states and 5099 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 08:40:07,740 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 08:40:09,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:40:09,356 INFO L93 Difference]: Finished difference Result 10390 states and 14455 transitions. [2024-12-02 08:40:09,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:40:09,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2024-12-02 08:40:09,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:40:09,402 INFO L225 Difference]: With dead ends: 10390 [2024-12-02 08:40:09,402 INFO L226 Difference]: Without dead ends: 6745 [2024-12-02 08:40:09,418 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 08:40:09,419 INFO L435 NwaCegarLoop]: 2637 mSDtfsCounter, 2207 mSDsluCounter, 2534 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 5171 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:40:09,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 5171 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 08:40:09,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6745 states. [2024-12-02 08:40:09,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6745 to 6715. [2024-12-02 08:40:09,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6715 states, 4740 states have (on average 1.2841772151898734) internal successors, (6087), 4836 states have internal predecessors, (6087), 1627 states have call successors, (1627), 348 states have call predecessors, (1627), 345 states have return successors, (1625), 1594 states have call predecessors, (1625), 1623 states have call successors, (1625) [2024-12-02 08:40:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6715 states to 6715 states and 9339 transitions. [2024-12-02 08:40:09,777 INFO L78 Accepts]: Start accepts. Automaton has 6715 states and 9339 transitions. Word has length 136 [2024-12-02 08:40:09,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:40:09,778 INFO L471 AbstractCegarLoop]: Abstraction has 6715 states and 9339 transitions. [2024-12-02 08:40:09,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-12-02 08:40:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 6715 states and 9339 transitions. [2024-12-02 08:40:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 08:40:09,781 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:40:09,782 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:40:09,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:40:09,782 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 08:40:09,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash -103474434, now seen corresponding path program 1 times [2024-12-02 08:40:09,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:09,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782619790] [2024-12-02 08:40:09,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:09,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-12-02 08:40:21,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:21,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782619790] [2024-12-02 08:40:21,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782619790] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:21,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:21,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:40:21,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251427287] [2024-12-02 08:40:21,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:21,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:40:21,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:21,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:40:21,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:40:21,305 INFO L87 Difference]: Start difference. First operand 6715 states and 9339 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:40:25,398 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 08:40:26,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:40:26,432 INFO L93 Difference]: Finished difference Result 19427 states and 26991 transitions. [2024-12-02 08:40:26,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:40:26,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 147 [2024-12-02 08:40:26,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:40:26,514 INFO L225 Difference]: With dead ends: 19427 [2024-12-02 08:40:26,515 INFO L226 Difference]: Without dead ends: 12735 [2024-12-02 08:40:26,546 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 08:40:26,546 INFO L435 NwaCegarLoop]: 2890 mSDtfsCounter, 2395 mSDsluCounter, 2540 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2395 SdHoareTripleChecker+Valid, 5430 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:40:26,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2395 Valid, 5430 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:40:26,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12735 states. [2024-12-02 08:40:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12735 to 12701. [2024-12-02 08:40:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12701 states, 8964 states have (on average 1.2807898259705488) internal successors, (11481), 9148 states have internal predecessors, (11481), 3067 states have call successors, (3067), 678 states have call predecessors, (3067), 667 states have return successors, (3077), 2986 states have call predecessors, (3077), 3063 states have call successors, (3077) [2024-12-02 08:40:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12701 states to 12701 states and 17625 transitions. [2024-12-02 08:40:27,185 INFO L78 Accepts]: Start accepts. Automaton has 12701 states and 17625 transitions. Word has length 147 [2024-12-02 08:40:27,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:40:27,186 INFO L471 AbstractCegarLoop]: Abstraction has 12701 states and 17625 transitions. [2024-12-02 08:40:27,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 08:40:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 12701 states and 17625 transitions. [2024-12-02 08:40:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 08:40:27,192 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:40:27,192 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 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] [2024-12-02 08:40:27,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:40:27,192 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:40:27,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:27,193 INFO L85 PathProgramCache]: Analyzing trace with hash 302832930, now seen corresponding path program 1 times [2024-12-02 08:40:27,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:27,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464650002] [2024-12-02 08:40:27,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:27,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-12-02 08:40:37,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:37,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464650002] [2024-12-02 08:40:37,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464650002] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:37,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:40:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287144062] [2024-12-02 08:40:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:37,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:40:37,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:37,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:40:37,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:40:37,718 INFO L87 Difference]: Start difference. First operand 12701 states and 17625 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:40:41,808 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 08:40:42,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:40:42,901 INFO L93 Difference]: Finished difference Result 25439 states and 35284 transitions. [2024-12-02 08:40:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:40:42,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 188 [2024-12-02 08:40:42,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:40:43,009 INFO L225 Difference]: With dead ends: 25439 [2024-12-02 08:40:43,009 INFO L226 Difference]: Without dead ends: 18917 [2024-12-02 08:40:43,041 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 08:40:43,041 INFO L435 NwaCegarLoop]: 5093 mSDtfsCounter, 2472 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 7690 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 08:40:43,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 7690 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:40:43,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18917 states. [2024-12-02 08:40:43,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18917 to 18913. [2024-12-02 08:40:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18913 states, 13360 states have (on average 1.281062874251497) internal successors, (17115), 13629 states have internal predecessors, (17115), 4552 states have call successors, (4552), 1014 states have call predecessors, (4552), 998 states have return successors, (4569), 4437 states have call predecessors, (4569), 4548 states have call successors, (4569) [2024-12-02 08:40:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18913 states to 18913 states and 26236 transitions. [2024-12-02 08:40:44,129 INFO L78 Accepts]: Start accepts. Automaton has 18913 states and 26236 transitions. Word has length 188 [2024-12-02 08:40:44,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:40:44,130 INFO L471 AbstractCegarLoop]: Abstraction has 18913 states and 26236 transitions. [2024-12-02 08:40:44,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-12-02 08:40:44,130 INFO L276 IsEmpty]: Start isEmpty. Operand 18913 states and 26236 transitions. [2024-12-02 08:40:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 08:40:44,137 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:40:44,137 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 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] [2024-12-02 08:40:44,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:40:44,138 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 08:40:44,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:44,138 INFO L85 PathProgramCache]: Analyzing trace with hash 443381540, now seen corresponding path program 1 times [2024-12-02 08:40:44,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:44,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949673716] [2024-12-02 08:40:44,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:44,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:40:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:40:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-02 08:40:54,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:40:54,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949673716] [2024-12-02 08:40:54,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949673716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:40:54,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:40:54,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:40:54,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193174812] [2024-12-02 08:40:54,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:40:54,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:40:54,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:40:54,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:40:54,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:40:54,470 INFO L87 Difference]: Start difference. First operand 18913 states and 26236 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 08:40:55,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:40:55,195 INFO L93 Difference]: Finished difference Result 18919 states and 26241 transitions. [2024-12-02 08:40:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:40:55,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 188 [2024-12-02 08:40:55,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:40:55,259 INFO L225 Difference]: With dead ends: 18919 [2024-12-02 08:40:55,259 INFO L226 Difference]: Without dead ends: 18917 [2024-12-02 08:40:55,268 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 08:40:55,269 INFO L435 NwaCegarLoop]: 2621 mSDtfsCounter, 2571 mSDsluCounter, 5228 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2572 SdHoareTripleChecker+Valid, 7849 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 08:40:55,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2572 Valid, 7849 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:40:55,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18917 states. [2024-12-02 08:40:55,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18917 to 18917. [2024-12-02 08:40:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18917 states, 13363 states have (on average 1.2809997754995135) internal successors, (17118), 13632 states have internal predecessors, (17118), 4552 states have call successors, (4552), 1015 states have call predecessors, (4552), 999 states have return successors, (4569), 4437 states have call predecessors, (4569), 4548 states have call successors, (4569) [2024-12-02 08:40:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18917 states to 18917 states and 26239 transitions. [2024-12-02 08:40:55,849 INFO L78 Accepts]: Start accepts. Automaton has 18917 states and 26239 transitions. Word has length 188 [2024-12-02 08:40:55,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:40:55,850 INFO L471 AbstractCegarLoop]: Abstraction has 18917 states and 26239 transitions. [2024-12-02 08:40:55,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 08:40:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 18917 states and 26239 transitions. [2024-12-02 08:40:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-12-02 08:40:55,854 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:40:55,854 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:40:55,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:40:55,855 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 08:40:55,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:40:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1052724751, now seen corresponding path program 1 times [2024-12-02 08:40:55,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:40:55,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513744046] [2024-12-02 08:40:55,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:40:55,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:41:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-02 08:41:06,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:41:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513744046] [2024-12-02 08:41:06,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513744046] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:06,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:06,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:41:06,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045071640] [2024-12-02 08:41:06,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:06,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:41:06,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:41:06,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:41:06,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:41:06,094 INFO L87 Difference]: Start difference. First operand 18917 states and 26239 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 08:41:06,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:06,872 INFO L93 Difference]: Finished difference Result 18923 states and 26244 transitions. [2024-12-02 08:41:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:41:06,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 193 [2024-12-02 08:41:06,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:06,968 INFO L225 Difference]: With dead ends: 18923 [2024-12-02 08:41:06,968 INFO L226 Difference]: Without dead ends: 18921 [2024-12-02 08:41:06,982 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 08:41:06,983 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2567 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2568 SdHoareTripleChecker+Valid, 7853 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:41:06,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2568 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:41:06,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18921 states. [2024-12-02 08:41:07,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18921 to 18921. [2024-12-02 08:41:07,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18921 states, 13366 states have (on average 1.2809367050725722) internal successors, (17121), 13635 states have internal predecessors, (17121), 4552 states have call successors, (4552), 1016 states have call predecessors, (4552), 1000 states have return successors, (4569), 4437 states have call predecessors, (4569), 4548 states have call successors, (4569) [2024-12-02 08:41:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18921 states to 18921 states and 26242 transitions. [2024-12-02 08:41:07,759 INFO L78 Accepts]: Start accepts. Automaton has 18921 states and 26242 transitions. Word has length 193 [2024-12-02 08:41:07,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:07,760 INFO L471 AbstractCegarLoop]: Abstraction has 18921 states and 26242 transitions. [2024-12-02 08:41:07,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 08:41:07,760 INFO L276 IsEmpty]: Start isEmpty. Operand 18921 states and 26242 transitions. [2024-12-02 08:41:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-12-02 08:41:07,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:07,764 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:41:07,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:41:07,764 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 08:41:07,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:07,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1118812412, now seen corresponding path program 1 times [2024-12-02 08:41:07,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:41:07,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518579999] [2024-12-02 08:41:07,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:07,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:41:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2024-12-02 08:41:17,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:41:17,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518579999] [2024-12-02 08:41:17,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518579999] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:17,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:17,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:41:17,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378174386] [2024-12-02 08:41:17,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:17,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:41:17,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:41:17,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:41:17,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:41:17,585 INFO L87 Difference]: Start difference. First operand 18921 states and 26242 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 08:41:18,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:18,380 INFO L93 Difference]: Finished difference Result 18927 states and 26247 transitions. [2024-12-02 08:41:18,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:41:18,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 198 [2024-12-02 08:41:18,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:18,434 INFO L225 Difference]: With dead ends: 18927 [2024-12-02 08:41:18,434 INFO L226 Difference]: Without dead ends: 18925 [2024-12-02 08:41:18,440 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 08:41:18,440 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2566 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 7853 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 08:41:18,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:41:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18925 states. [2024-12-02 08:41:18,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18925 to 18925. [2024-12-02 08:41:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18925 states, 13369 states have (on average 1.2808736629516044) internal successors, (17124), 13638 states have internal predecessors, (17124), 4552 states have call successors, (4552), 1017 states have call predecessors, (4552), 1001 states have return successors, (4569), 4437 states have call predecessors, (4569), 4548 states have call successors, (4569) [2024-12-02 08:41:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18925 states to 18925 states and 26245 transitions. [2024-12-02 08:41:19,014 INFO L78 Accepts]: Start accepts. Automaton has 18925 states and 26245 transitions. Word has length 198 [2024-12-02 08:41:19,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:19,014 INFO L471 AbstractCegarLoop]: Abstraction has 18925 states and 26245 transitions. [2024-12-02 08:41:19,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 08:41:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 18925 states and 26245 transitions. [2024-12-02 08:41:19,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-12-02 08:41:19,021 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:19,021 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:41:19,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:41:19,021 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 08:41:19,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:19,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1343813056, now seen corresponding path program 1 times [2024-12-02 08:41:19,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:41:19,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798087750] [2024-12-02 08:41:19,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:19,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:41:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-12-02 08:41:28,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:41:28,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798087750] [2024-12-02 08:41:28,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798087750] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:28,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:28,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:41:28,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359023157] [2024-12-02 08:41:28,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:28,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:41:28,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:41:28,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:41:28,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:41:28,275 INFO L87 Difference]: Start difference. First operand 18925 states and 26245 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 08:41:32,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:41:33,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:33,539 INFO L93 Difference]: Finished difference Result 37922 states and 52571 transitions. [2024-12-02 08:41:33,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:41:33,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 214 [2024-12-02 08:41:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:33,627 INFO L225 Difference]: With dead ends: 37922 [2024-12-02 08:41:33,628 INFO L226 Difference]: Without dead ends: 25176 [2024-12-02 08:41:33,668 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 08:41:33,669 INFO L435 NwaCegarLoop]: 5094 mSDtfsCounter, 2505 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2505 SdHoareTripleChecker+Valid, 7693 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 08:41:33,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2505 Valid, 7693 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:41:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25176 states. [2024-12-02 08:41:34,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25176 to 25141. [2024-12-02 08:41:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25141 states, 17769 states have (on average 1.280994991276943) internal successors, (22762), 18123 states have internal predecessors, (22762), 6037 states have call successors, (6037), 1353 states have call predecessors, (6037), 1332 states have return successors, (6061), 5888 states have call predecessors, (6061), 6033 states have call successors, (6061) [2024-12-02 08:41:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25141 states to 25141 states and 34860 transitions. [2024-12-02 08:41:34,528 INFO L78 Accepts]: Start accepts. Automaton has 25141 states and 34860 transitions. Word has length 214 [2024-12-02 08:41:34,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:34,529 INFO L471 AbstractCegarLoop]: Abstraction has 25141 states and 34860 transitions. [2024-12-02 08:41:34,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-12-02 08:41:34,529 INFO L276 IsEmpty]: Start isEmpty. Operand 25141 states and 34860 transitions. [2024-12-02 08:41:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-12-02 08:41:34,533 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:34,534 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:41:34,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:41:34,534 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 08:41:34,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:34,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1430191505, now seen corresponding path program 1 times [2024-12-02 08:41:34,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:41:34,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479928011] [2024-12-02 08:41:34,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:34,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:41:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-02 08:41:44,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:41:44,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479928011] [2024-12-02 08:41:44,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479928011] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:44,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:44,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:41:44,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015599029] [2024-12-02 08:41:44,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:44,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:41:44,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:41:44,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:41:44,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:41:44,650 INFO L87 Difference]: Start difference. First operand 25141 states and 34860 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:41:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:45,572 INFO L93 Difference]: Finished difference Result 25147 states and 34865 transitions. [2024-12-02 08:41:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:41:45,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 203 [2024-12-02 08:41:45,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:45,695 INFO L225 Difference]: With dead ends: 25147 [2024-12-02 08:41:45,695 INFO L226 Difference]: Without dead ends: 25145 [2024-12-02 08:41:45,700 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 08:41:45,701 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2565 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 7853 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 08:41:45,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2566 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:41:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25145 states. [2024-12-02 08:41:46,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25145 to 25145. [2024-12-02 08:41:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25145 states, 17772 states have (on average 1.2809475579563359) internal successors, (22765), 18126 states have internal predecessors, (22765), 6037 states have call successors, (6037), 1354 states have call predecessors, (6037), 1333 states have return successors, (6061), 5888 states have call predecessors, (6061), 6033 states have call successors, (6061) [2024-12-02 08:41:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25145 states to 25145 states and 34863 transitions. [2024-12-02 08:41:46,459 INFO L78 Accepts]: Start accepts. Automaton has 25145 states and 34863 transitions. Word has length 203 [2024-12-02 08:41:46,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:46,460 INFO L471 AbstractCegarLoop]: Abstraction has 25145 states and 34863 transitions. [2024-12-02 08:41:46,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 08:41:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 25145 states and 34863 transitions. [2024-12-02 08:41:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-12-02 08:41:46,464 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:46,464 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:41:46,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:41:46,465 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 08:41:46,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:46,465 INFO L85 PathProgramCache]: Analyzing trace with hash 80375524, now seen corresponding path program 1 times [2024-12-02 08:41:46,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:41:46,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002085378] [2024-12-02 08:41:46,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:41:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:41:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-12-02 08:41:56,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:41:56,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002085378] [2024-12-02 08:41:56,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002085378] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:41:56,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:41:56,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:41:56,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142027993] [2024-12-02 08:41:56,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:41:56,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:41:56,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:41:56,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:41:56,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:41:56,247 INFO L87 Difference]: Start difference. First operand 25145 states and 34863 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:41:57,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:41:57,476 INFO L93 Difference]: Finished difference Result 25151 states and 34868 transitions. [2024-12-02 08:41:57,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:41:57,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 208 [2024-12-02 08:41:57,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:41:57,556 INFO L225 Difference]: With dead ends: 25151 [2024-12-02 08:41:57,556 INFO L226 Difference]: Without dead ends: 25149 [2024-12-02 08:41:57,569 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 08:41:57,570 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2564 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2565 SdHoareTripleChecker+Valid, 7853 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 08:41:57,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2565 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:41:57,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25149 states. [2024-12-02 08:41:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25149 to 25149. [2024-12-02 08:41:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25149 states, 17775 states have (on average 1.280900140646976) internal successors, (22768), 18129 states have internal predecessors, (22768), 6037 states have call successors, (6037), 1355 states have call predecessors, (6037), 1334 states have return successors, (6061), 5888 states have call predecessors, (6061), 6033 states have call successors, (6061) [2024-12-02 08:41:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25149 states to 25149 states and 34866 transitions. [2024-12-02 08:41:58,584 INFO L78 Accepts]: Start accepts. Automaton has 25149 states and 34866 transitions. Word has length 208 [2024-12-02 08:41:58,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:41:58,584 INFO L471 AbstractCegarLoop]: Abstraction has 25149 states and 34866 transitions. [2024-12-02 08:41:58,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:41:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 25149 states and 34866 transitions. [2024-12-02 08:41:58,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-12-02 08:41:58,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:41:58,591 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:41:58,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:41:58,591 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 08:41:58,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:41:58,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1250102991, now seen corresponding path program 1 times [2024-12-02 08:41:58,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:41:58,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561606880] [2024-12-02 08:41:58,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:41:58,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:42:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:42:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2024-12-02 08:42:08,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:42:08,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561606880] [2024-12-02 08:42:08,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561606880] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:42:08,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:42:08,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:42:08,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952413067] [2024-12-02 08:42:08,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:42:08,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:42:08,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:42:08,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:42:08,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:42:08,301 INFO L87 Difference]: Start difference. First operand 25149 states and 34866 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:42:09,364 INFO L93 Difference]: Finished difference Result 25155 states and 34871 transitions. [2024-12-02 08:42:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:42:09,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 213 [2024-12-02 08:42:09,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:42:09,438 INFO L225 Difference]: With dead ends: 25155 [2024-12-02 08:42:09,438 INFO L226 Difference]: Without dead ends: 25153 [2024-12-02 08:42:09,452 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 08:42:09,452 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2563 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 7853 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 08:42:09,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:42:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25153 states. [2024-12-02 08:42:10,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25153 to 25153. [2024-12-02 08:42:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25153 states, 17778 states have (on average 1.2808527393407583) internal successors, (22771), 18132 states have internal predecessors, (22771), 6037 states have call successors, (6037), 1356 states have call predecessors, (6037), 1335 states have return successors, (6061), 5888 states have call predecessors, (6061), 6033 states have call successors, (6061) [2024-12-02 08:42:10,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25153 states to 25153 states and 34869 transitions. [2024-12-02 08:42:10,410 INFO L78 Accepts]: Start accepts. Automaton has 25153 states and 34869 transitions. Word has length 213 [2024-12-02 08:42:10,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:42:10,410 INFO L471 AbstractCegarLoop]: Abstraction has 25153 states and 34869 transitions. [2024-12-02 08:42:10,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:10,410 INFO L276 IsEmpty]: Start isEmpty. Operand 25153 states and 34869 transitions. [2024-12-02 08:42:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-12-02 08:42:10,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:42:10,415 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:42:10,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:42:10,415 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 08:42:10,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:42:10,415 INFO L85 PathProgramCache]: Analyzing trace with hash -41029948, now seen corresponding path program 1 times [2024-12-02 08:42:10,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:42:10,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492050056] [2024-12-02 08:42:10,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:42:10,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:42:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:42:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-02 08:42:20,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:42:20,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492050056] [2024-12-02 08:42:20,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492050056] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:42:20,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:42:20,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:42:20,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155837692] [2024-12-02 08:42:20,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:42:20,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:42:20,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:42:20,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:42:20,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:42:20,187 INFO L87 Difference]: Start difference. First operand 25153 states and 34869 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:21,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:42:21,415 INFO L93 Difference]: Finished difference Result 25705 states and 35459 transitions. [2024-12-02 08:42:21,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:42:21,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 218 [2024-12-02 08:42:21,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:42:21,487 INFO L225 Difference]: With dead ends: 25705 [2024-12-02 08:42:21,487 INFO L226 Difference]: Without dead ends: 25703 [2024-12-02 08:42:21,500 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 08:42:21,500 INFO L435 NwaCegarLoop]: 2622 mSDtfsCounter, 2501 mSDsluCounter, 5354 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 7976 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 08:42:21,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 7976 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:42:21,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25703 states. [2024-12-02 08:42:22,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25703 to 25701. [2024-12-02 08:42:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25701 states, 18137 states have (on average 1.2772784914815019) internal successors, (23166), 18507 states have internal predecessors, (23166), 6133 states have call successors, (6133), 1449 states have call predecessors, (6133), 1428 states have return successors, (6157), 5984 states have call predecessors, (6157), 6129 states have call successors, (6157) [2024-12-02 08:42:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25701 states to 25701 states and 35456 transitions. [2024-12-02 08:42:22,531 INFO L78 Accepts]: Start accepts. Automaton has 25701 states and 35456 transitions. Word has length 218 [2024-12-02 08:42:22,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:42:22,531 INFO L471 AbstractCegarLoop]: Abstraction has 25701 states and 35456 transitions. [2024-12-02 08:42:22,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 25701 states and 35456 transitions. [2024-12-02 08:42:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-12-02 08:42:22,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:42:22,536 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:42:22,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:42:22,537 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 08:42:22,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:42:22,537 INFO L85 PathProgramCache]: Analyzing trace with hash -192377647, now seen corresponding path program 1 times [2024-12-02 08:42:22,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:42:22,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22491280] [2024-12-02 08:42:22,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:42:22,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:42:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:42:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-12-02 08:42:32,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:42:32,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22491280] [2024-12-02 08:42:32,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22491280] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:42:32,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:42:32,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:42:32,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209530500] [2024-12-02 08:42:32,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:42:32,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:42:32,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:42:32,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:42:32,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:42:32,441 INFO L87 Difference]: Start difference. First operand 25701 states and 35456 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:42:33,666 INFO L93 Difference]: Finished difference Result 25707 states and 35461 transitions. [2024-12-02 08:42:33,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:42:33,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 223 [2024-12-02 08:42:33,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:42:33,721 INFO L225 Difference]: With dead ends: 25707 [2024-12-02 08:42:33,721 INFO L226 Difference]: Without dead ends: 25705 [2024-12-02 08:42:33,727 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 08:42:33,727 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2561 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 7853 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 08:42:33,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2562 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:42:33,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25705 states. [2024-12-02 08:42:34,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25705 to 25705. [2024-12-02 08:42:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25705 states, 18140 states have (on average 1.2772326350606396) internal successors, (23169), 18510 states have internal predecessors, (23169), 6133 states have call successors, (6133), 1450 states have call predecessors, (6133), 1429 states have return successors, (6157), 5984 states have call predecessors, (6157), 6129 states have call successors, (6157) [2024-12-02 08:42:34,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25705 states to 25705 states and 35459 transitions. [2024-12-02 08:42:34,729 INFO L78 Accepts]: Start accepts. Automaton has 25705 states and 35459 transitions. Word has length 223 [2024-12-02 08:42:34,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:42:34,729 INFO L471 AbstractCegarLoop]: Abstraction has 25705 states and 35459 transitions. [2024-12-02 08:42:34,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 25705 states and 35459 transitions. [2024-12-02 08:42:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-12-02 08:42:34,734 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:42:34,734 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:42:34,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 08:42:34,735 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 08:42:34,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:42:34,735 INFO L85 PathProgramCache]: Analyzing trace with hash -36911452, now seen corresponding path program 1 times [2024-12-02 08:42:34,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:42:34,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694321888] [2024-12-02 08:42:34,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:42:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:42:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:42:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2024-12-02 08:42:44,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:42:44,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694321888] [2024-12-02 08:42:44,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694321888] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:42:44,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:42:44,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:42:44,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996585654] [2024-12-02 08:42:44,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:42:44,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:42:44,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:42:44,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:42:44,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:42:44,602 INFO L87 Difference]: Start difference. First operand 25705 states and 35459 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:46,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:42:46,052 INFO L93 Difference]: Finished difference Result 25841 states and 35569 transitions. [2024-12-02 08:42:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:42:46,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 228 [2024-12-02 08:42:46,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:42:46,122 INFO L225 Difference]: With dead ends: 25841 [2024-12-02 08:42:46,122 INFO L226 Difference]: Without dead ends: 25839 [2024-12-02 08:42:46,132 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 08:42:46,133 INFO L435 NwaCegarLoop]: 2627 mSDtfsCounter, 2518 mSDsluCounter, 5287 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 7914 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 08:42:46,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2519 Valid, 7914 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:42:46,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25839 states. [2024-12-02 08:42:47,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25839 to 25837. [2024-12-02 08:42:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25837 states, 18239 states have (on average 1.2761664564943254) internal successors, (23276), 18609 states have internal predecessors, (23276), 6133 states have call successors, (6133), 1483 states have call predecessors, (6133), 1462 states have return successors, (6157), 5984 states have call predecessors, (6157), 6129 states have call successors, (6157) [2024-12-02 08:42:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25837 states to 25837 states and 35566 transitions. [2024-12-02 08:42:47,306 INFO L78 Accepts]: Start accepts. Automaton has 25837 states and 35566 transitions. Word has length 228 [2024-12-02 08:42:47,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:42:47,306 INFO L471 AbstractCegarLoop]: Abstraction has 25837 states and 35566 transitions. [2024-12-02 08:42:47,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 25837 states and 35566 transitions. [2024-12-02 08:42:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-12-02 08:42:47,312 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:42:47,312 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:42:47,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 08:42:47,312 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 08:42:47,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:42:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash -881864591, now seen corresponding path program 1 times [2024-12-02 08:42:47,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:42:47,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490554210] [2024-12-02 08:42:47,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:42:47,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:42:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:42:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2024-12-02 08:42:56,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:42:56,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490554210] [2024-12-02 08:42:56,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490554210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:42:56,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:42:56,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:42:56,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540255822] [2024-12-02 08:42:56,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:42:56,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:42:56,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:42:56,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:42:56,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:42:56,926 INFO L87 Difference]: Start difference. First operand 25837 states and 35566 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:58,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:42:58,231 INFO L93 Difference]: Finished difference Result 25843 states and 35571 transitions. [2024-12-02 08:42:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:42:58,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 233 [2024-12-02 08:42:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:42:58,302 INFO L225 Difference]: With dead ends: 25843 [2024-12-02 08:42:58,302 INFO L226 Difference]: Without dead ends: 25841 [2024-12-02 08:42:58,316 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 08:42:58,316 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2559 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2560 SdHoareTripleChecker+Valid, 7853 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 08:42:58,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2560 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:42:58,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25841 states. [2024-12-02 08:42:59,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25841 to 25841. [2024-12-02 08:42:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25841 states, 18242 states have (on average 1.2761210393597193) internal successors, (23279), 18612 states have internal predecessors, (23279), 6133 states have call successors, (6133), 1484 states have call predecessors, (6133), 1463 states have return successors, (6157), 5984 states have call predecessors, (6157), 6129 states have call successors, (6157) [2024-12-02 08:42:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25841 states to 25841 states and 35569 transitions. [2024-12-02 08:42:59,523 INFO L78 Accepts]: Start accepts. Automaton has 25841 states and 35569 transitions. Word has length 233 [2024-12-02 08:42:59,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:42:59,523 INFO L471 AbstractCegarLoop]: Abstraction has 25841 states and 35569 transitions. [2024-12-02 08:42:59,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 08:42:59,523 INFO L276 IsEmpty]: Start isEmpty. Operand 25841 states and 35569 transitions. [2024-12-02 08:42:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-12-02 08:42:59,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:42:59,529 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:42:59,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 08:42:59,529 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 08:42:59,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:42:59,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1749769548, now seen corresponding path program 1 times [2024-12-02 08:42:59,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:42:59,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908693522] [2024-12-02 08:42:59,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:42:59,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:43:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:43:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 08:43:09,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:43:09,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908693522] [2024-12-02 08:43:09,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908693522] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:43:09,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:43:09,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:43:09,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010123800] [2024-12-02 08:43:09,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:43:09,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:43:09,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:43:09,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:43:09,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:43:09,106 INFO L87 Difference]: Start difference. First operand 25841 states and 35569 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:43:13,162 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 08:43:15,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:43:15,103 INFO L93 Difference]: Finished difference Result 51810 states and 71252 transitions. [2024-12-02 08:43:15,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:43:15,103 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 273 [2024-12-02 08:43:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:43:15,187 INFO L225 Difference]: With dead ends: 51810 [2024-12-02 08:43:15,187 INFO L226 Difference]: Without dead ends: 32316 [2024-12-02 08:43:15,230 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 08:43:15,230 INFO L435 NwaCegarLoop]: 5135 mSDtfsCounter, 2514 mSDsluCounter, 2597 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 7732 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:43:15,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 7732 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 08:43:15,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32316 states. [2024-12-02 08:43:16,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32316 to 32253. [2024-12-02 08:43:16,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32253 states, 22775 states have (on average 1.2760043907793632) internal successors, (29061), 23234 states have internal predecessors, (29061), 7646 states have call successors, (7646), 1855 states have call predecessors, (7646), 1829 states have return successors, (7677), 7463 states have call predecessors, (7677), 7642 states have call successors, (7677) [2024-12-02 08:43:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32253 states to 32253 states and 44384 transitions. [2024-12-02 08:43:16,756 INFO L78 Accepts]: Start accepts. Automaton has 32253 states and 44384 transitions. Word has length 273 [2024-12-02 08:43:16,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:43:16,756 INFO L471 AbstractCegarLoop]: Abstraction has 32253 states and 44384 transitions. [2024-12-02 08:43:16,756 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-12-02 08:43:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32253 states and 44384 transitions. [2024-12-02 08:43:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 08:43:16,763 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:43:16,763 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:43:16,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 08:43:16,764 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 08:43:16,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:43:16,764 INFO L85 PathProgramCache]: Analyzing trace with hash -78593523, now seen corresponding path program 1 times [2024-12-02 08:43:16,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:43:16,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355951697] [2024-12-02 08:43:16,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:43:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:43:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:43:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2024-12-02 08:43:27,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:43:27,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355951697] [2024-12-02 08:43:27,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355951697] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:43:27,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:43:27,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:43:27,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874617425] [2024-12-02 08:43:27,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:43:27,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:43:27,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:43:27,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:43:27,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:43:27,204 INFO L87 Difference]: Start difference. First operand 32253 states and 44384 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 08:43:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:43:28,789 INFO L93 Difference]: Finished difference Result 32259 states and 44389 transitions. [2024-12-02 08:43:28,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:43:28,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 274 [2024-12-02 08:43:28,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:43:28,886 INFO L225 Difference]: With dead ends: 32259 [2024-12-02 08:43:28,886 INFO L226 Difference]: Without dead ends: 32257 [2024-12-02 08:43:28,903 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 08:43:28,903 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2552 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 7853 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 08:43:28,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:43:28,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32257 states. [2024-12-02 08:43:30,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32257 to 32257. [2024-12-02 08:43:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32257 states, 22778 states have (on average 1.2759680393362016) internal successors, (29064), 23237 states have internal predecessors, (29064), 7646 states have call successors, (7646), 1856 states have call predecessors, (7646), 1830 states have return successors, (7677), 7463 states have call predecessors, (7677), 7642 states have call successors, (7677) [2024-12-02 08:43:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32257 states to 32257 states and 44387 transitions. [2024-12-02 08:43:30,532 INFO L78 Accepts]: Start accepts. Automaton has 32257 states and 44387 transitions. Word has length 274 [2024-12-02 08:43:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:43:30,532 INFO L471 AbstractCegarLoop]: Abstraction has 32257 states and 44387 transitions. [2024-12-02 08:43:30,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 08:43:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 32257 states and 44387 transitions. [2024-12-02 08:43:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-12-02 08:43:30,540 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:43:30,540 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:43:30,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 08:43:30,540 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-12-02 08:43:30,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:43:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash -879247832, now seen corresponding path program 1 times [2024-12-02 08:43:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:43:30,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387904707] [2024-12-02 08:43:30,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:43:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:43:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:43:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2024-12-02 08:43:40,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:43:40,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387904707] [2024-12-02 08:43:40,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387904707] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:43:40,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:43:40,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:43:40,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554640252] [2024-12-02 08:43:40,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:43:40,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:43:40,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:43:40,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:43:40,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:43:40,669 INFO L87 Difference]: Start difference. First operand 32257 states and 44387 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 08:43:42,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:43:42,618 INFO L93 Difference]: Finished difference Result 32263 states and 44392 transitions. [2024-12-02 08:43:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:43:42,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 279 [2024-12-02 08:43:42,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:43:42,684 INFO L225 Difference]: With dead ends: 32263 [2024-12-02 08:43:42,684 INFO L226 Difference]: Without dead ends: 32259 [2024-12-02 08:43:42,691 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 08:43:42,692 INFO L435 NwaCegarLoop]: 2624 mSDtfsCounter, 2551 mSDsluCounter, 5229 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2552 SdHoareTripleChecker+Valid, 7853 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 08:43:42,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2552 Valid, 7853 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:43:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32259 states. [2024-12-02 08:43:44,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32259 to 32259. [2024-12-02 08:43:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32259 states, 22780 states have (on average 1.2758999122036874) internal successors, (29065), 23238 states have internal predecessors, (29065), 7646 states have call successors, (7646), 1857 states have call predecessors, (7646), 1830 states have return successors, (7677), 7463 states have call predecessors, (7677), 7642 states have call successors, (7677) [2024-12-02 08:43:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32259 states to 32259 states and 44388 transitions. [2024-12-02 08:43:44,348 INFO L78 Accepts]: Start accepts. Automaton has 32259 states and 44388 transitions. Word has length 279 [2024-12-02 08:43:44,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:43:44,349 INFO L471 AbstractCegarLoop]: Abstraction has 32259 states and 44388 transitions. [2024-12-02 08:43:44,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 08:43:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 32259 states and 44388 transitions. [2024-12-02 08:43:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-12-02 08:43:44,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:43:44,356 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 13, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:43:44,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 08:43:44,356 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 08:43:44,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:43:44,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1786655405, now seen corresponding path program 1 times [2024-12-02 08:43:44,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:43:44,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547811502] [2024-12-02 08:43:44,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:43:44,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:43:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:43:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2024-12-02 08:43:54,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:43:54,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547811502] [2024-12-02 08:43:54,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547811502] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:43:54,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:43:54,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:43:54,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247774393] [2024-12-02 08:43:54,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:43:54,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:43:54,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:43:54,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:43:54,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:43:54,731 INFO L87 Difference]: Start difference. First operand 32259 states and 44388 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 08:43:56,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:43:56,489 INFO L93 Difference]: Finished difference Result 32259 states and 44388 transitions. [2024-12-02 08:43:56,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:43:56,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 284 [2024-12-02 08:43:56,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:43:56,619 INFO L225 Difference]: With dead ends: 32259 [2024-12-02 08:43:56,619 INFO L226 Difference]: Without dead ends: 32043 [2024-12-02 08:43:56,639 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 08:43:56,639 INFO L435 NwaCegarLoop]: 2622 mSDtfsCounter, 2547 mSDsluCounter, 5227 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2547 SdHoareTripleChecker+Valid, 7849 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 08:43:56,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2547 Valid, 7849 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:43:56,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32043 states. [2024-12-02 08:43:58,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32043 to 25687. [2024-12-02 08:43:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25687 states, 18144 states have (on average 1.2766754850088184) internal successors, (23164), 18501 states have internal predecessors, (23164), 6093 states have call successors, (6093), 1468 states have call predecessors, (6093), 1448 states have return successors, (6121), 5957 states have call predecessors, (6121), 6093 states have call successors, (6121) [2024-12-02 08:43:58,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25687 states to 25687 states and 35378 transitions. [2024-12-02 08:43:58,241 INFO L78 Accepts]: Start accepts. Automaton has 25687 states and 35378 transitions. Word has length 284 [2024-12-02 08:43:58,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:43:58,242 INFO L471 AbstractCegarLoop]: Abstraction has 25687 states and 35378 transitions. [2024-12-02 08:43:58,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 08:43:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 25687 states and 35378 transitions. [2024-12-02 08:43:58,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-12-02 08:43:58,249 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:43:58,249 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 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] [2024-12-02 08:43:58,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 08:43:58,249 INFO L396 AbstractCegarLoop]: === Iteration 20 === 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 08:43:58,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:43:58,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1232304549, now seen corresponding path program 1 times [2024-12-02 08:43:58,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:43:58,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076622627] [2024-12-02 08:43:58,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:43:58,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:44:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:44:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-12-02 08:44:07,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:44:07,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076622627] [2024-12-02 08:44:07,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076622627] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:44:07,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:44:07,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:44:07,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865987641] [2024-12-02 08:44:07,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:44:07,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:44:07,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:44:07,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:44:07,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:44:07,627 INFO L87 Difference]: Start difference. First operand 25687 states and 35378 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:44:11,684 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 08:44:14,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:44:14,318 INFO L93 Difference]: Finished difference Result 53765 states and 73709 transitions. [2024-12-02 08:44:14,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:44:14,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 253 [2024-12-02 08:44:14,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:44:14,382 INFO L225 Difference]: With dead ends: 53765 [2024-12-02 08:44:14,382 INFO L226 Difference]: Without dead ends: 27918 [2024-12-02 08:44:14,423 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 08:44:14,423 INFO L435 NwaCegarLoop]: 3557 mSDtfsCounter, 1490 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:44:14,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 6068 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:44:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27918 states. [2024-12-02 08:44:15,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27918 to 27910. [2024-12-02 08:44:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27910 states, 19912 states have (on average 1.2703394937725994) internal successors, (25295), 20265 states have internal predecessors, (25295), 6298 states have call successors, (6298), 1713 states have call predecessors, (6298), 1698 states have return successors, (6319), 6186 states have call predecessors, (6319), 6298 states have call successors, (6319) [2024-12-02 08:44:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27910 states to 27910 states and 37912 transitions. [2024-12-02 08:44:15,891 INFO L78 Accepts]: Start accepts. Automaton has 27910 states and 37912 transitions. Word has length 253 [2024-12-02 08:44:15,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:44:15,891 INFO L471 AbstractCegarLoop]: Abstraction has 27910 states and 37912 transitions. [2024-12-02 08:44:15,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-12-02 08:44:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 27910 states and 37912 transitions. [2024-12-02 08:44:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-12-02 08:44:15,900 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:44:15,900 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 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] [2024-12-02 08:44:15,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 08:44:15,900 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 08:44:15,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:44:15,901 INFO L85 PathProgramCache]: Analyzing trace with hash -366603173, now seen corresponding path program 1 times [2024-12-02 08:44:15,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:44:15,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421528255] [2024-12-02 08:44:15,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:44:15,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:44:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:44:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2024-12-02 08:44:25,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:44:25,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421528255] [2024-12-02 08:44:25,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421528255] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:44:25,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:44:25,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:44:25,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859839171] [2024-12-02 08:44:25,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:44:25,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:44:25,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:44:25,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:44:25,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:44:25,271 INFO L87 Difference]: Start difference. First operand 27910 states and 37912 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 08:44:29,335 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 08:44:32,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:44:32,362 INFO L93 Difference]: Finished difference Result 64279 states and 87161 transitions. [2024-12-02 08:44:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:44:32,363 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 322 [2024-12-02 08:44:32,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:44:32,465 INFO L225 Difference]: With dead ends: 64279 [2024-12-02 08:44:32,465 INFO L226 Difference]: Without dead ends: 36565 [2024-12-02 08:44:32,528 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 08:44:32,528 INFO L435 NwaCegarLoop]: 4024 mSDtfsCounter, 1496 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 6524 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:44:32,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 6524 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 70 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:44:32,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36565 states. [2024-12-02 08:44:34,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36565 to 36557. [2024-12-02 08:44:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36557 states, 26193 states have (on average 1.2673615088000612) internal successors, (33196), 26631 states have internal predecessors, (33196), 8048 states have call successors, (8048), 2329 states have call predecessors, (8048), 2314 states have return successors, (8069), 7926 states have call predecessors, (8069), 8048 states have call successors, (8069) [2024-12-02 08:44:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36557 states to 36557 states and 49313 transitions. [2024-12-02 08:44:34,574 INFO L78 Accepts]: Start accepts. Automaton has 36557 states and 49313 transitions. Word has length 322 [2024-12-02 08:44:34,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:44:34,574 INFO L471 AbstractCegarLoop]: Abstraction has 36557 states and 49313 transitions. [2024-12-02 08:44:34,574 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-12-02 08:44:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 36557 states and 49313 transitions. [2024-12-02 08:44:34,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-12-02 08:44:34,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:44:34,585 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:34,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 08:44:34,585 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 08:44:34,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:44:34,586 INFO L85 PathProgramCache]: Analyzing trace with hash -522004657, now seen corresponding path program 1 times [2024-12-02 08:44:34,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:44:34,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053881867] [2024-12-02 08:44:34,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:44:34,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:44:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:44:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-12-02 08:44:44,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:44:44,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053881867] [2024-12-02 08:44:44,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053881867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:44:44,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:44:44,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:44:44,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222927812] [2024-12-02 08:44:44,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:44:44,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:44:44,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:44:44,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:44:44,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:44:44,235 INFO L87 Difference]: Start difference. First operand 36557 states and 49313 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 08:44:48,294 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 08:44:51,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:44:51,998 INFO L93 Difference]: Finished difference Result 84669 states and 114211 transitions. [2024-12-02 08:44:51,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:44:51,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 396 [2024-12-02 08:44:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:44:52,110 INFO L225 Difference]: With dead ends: 84669 [2024-12-02 08:44:52,110 INFO L226 Difference]: Without dead ends: 48308 [2024-12-02 08:44:52,166 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 08:44:52,167 INFO L435 NwaCegarLoop]: 4357 mSDtfsCounter, 2203 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2203 SdHoareTripleChecker+Valid, 6470 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:44:52,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2203 Valid, 6470 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:44:52,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48308 states. [2024-12-02 08:44:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48308 to 48300. [2024-12-02 08:44:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48300 states, 34661 states have (on average 1.2663512304895992) internal successors, (43893), 35217 states have internal predecessors, (43893), 10530 states have call successors, (10530), 3122 states have call predecessors, (10530), 3107 states have return successors, (10551), 10392 states have call predecessors, (10551), 10530 states have call successors, (10551) [2024-12-02 08:44:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48300 states to 48300 states and 64974 transitions. [2024-12-02 08:44:54,878 INFO L78 Accepts]: Start accepts. Automaton has 48300 states and 64974 transitions. Word has length 396 [2024-12-02 08:44:54,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:44:54,878 INFO L471 AbstractCegarLoop]: Abstraction has 48300 states and 64974 transitions. [2024-12-02 08:44:54,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 08:44:54,879 INFO L276 IsEmpty]: Start isEmpty. Operand 48300 states and 64974 transitions. [2024-12-02 08:44:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-12-02 08:44:54,891 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:44:54,891 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:44:54,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 08:44:54,891 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 08:44:54,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:44:54,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1968585523, now seen corresponding path program 1 times [2024-12-02 08:44:54,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:44:54,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523406186] [2024-12-02 08:44:54,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:44:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:45:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:45:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2024-12-02 08:45:04,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:45:04,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523406186] [2024-12-02 08:45:04,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523406186] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:45:04,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:45:04,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:45:04,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577015100] [2024-12-02 08:45:04,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:45:04,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:45:04,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:45:04,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:45:04,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:45:04,686 INFO L87 Difference]: Start difference. First operand 48300 states and 64974 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 08:45:08,745 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 08:45:12,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:45:12,937 INFO L93 Difference]: Finished difference Result 104915 states and 141073 transitions. [2024-12-02 08:45:12,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:45:12,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 396 [2024-12-02 08:45:12,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:45:13,084 INFO L225 Difference]: With dead ends: 104915 [2024-12-02 08:45:13,084 INFO L226 Difference]: Without dead ends: 56636 [2024-12-02 08:45:13,163 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 08:45:13,163 INFO L435 NwaCegarLoop]: 4051 mSDtfsCounter, 1490 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 6558 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 08:45:13,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 6558 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:45:13,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56636 states. [2024-12-02 08:45:16,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56636 to 56628. [2024-12-02 08:45:16,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56628 states, 40714 states have (on average 1.2655597583140934) internal successors, (51526), 41354 states have internal predecessors, (51526), 12218 states have call successors, (12218), 3709 states have call predecessors, (12218), 3694 states have return successors, (12239), 12070 states have call predecessors, (12239), 12218 states have call successors, (12239) [2024-12-02 08:45:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56628 states to 56628 states and 75983 transitions. [2024-12-02 08:45:16,578 INFO L78 Accepts]: Start accepts. Automaton has 56628 states and 75983 transitions. Word has length 396 [2024-12-02 08:45:16,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:45:16,578 INFO L471 AbstractCegarLoop]: Abstraction has 56628 states and 75983 transitions. [2024-12-02 08:45:16,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 08:45:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 56628 states and 75983 transitions. [2024-12-02 08:45:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2024-12-02 08:45:16,592 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:45:16,592 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 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, 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] [2024-12-02 08:45:16,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 08:45:16,592 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 08:45:16,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:45:16,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1885145102, now seen corresponding path program 1 times [2024-12-02 08:45:16,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:45:16,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170502426] [2024-12-02 08:45:16,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:45:16,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:45:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:45:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2024-12-02 08:45:26,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:45:26,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170502426] [2024-12-02 08:45:26,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170502426] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:45:26,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:45:26,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:45:26,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95519579] [2024-12-02 08:45:26,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:45:26,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:45:26,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:45:26,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:45:26,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:45:26,869 INFO L87 Difference]: Start difference. First operand 56628 states and 75983 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 08:45:30,939 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 08:45:35,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:45:35,509 INFO L93 Difference]: Finished difference Result 121577 states and 163111 transitions. [2024-12-02 08:45:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:45:35,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 451 [2024-12-02 08:45:35,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:45:35,687 INFO L225 Difference]: With dead ends: 121577 [2024-12-02 08:45:35,687 INFO L226 Difference]: Without dead ends: 65145 [2024-12-02 08:45:35,782 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 08:45:35,783 INFO L435 NwaCegarLoop]: 3737 mSDtfsCounter, 1490 mSDsluCounter, 2506 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1490 SdHoareTripleChecker+Valid, 6243 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:45:35,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1490 Valid, 6243 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:45:35,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65145 states. [2024-12-02 08:45:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65145 to 65137. [2024-12-02 08:45:39,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65137 states, 46911 states have (on average 1.2650124704227153) internal successors, (59343), 47636 states have internal predecessors, (59343), 13932 states have call successors, (13932), 4307 states have call predecessors, (13932), 4292 states have return successors, (13953), 13774 states have call predecessors, (13953), 13932 states have call successors, (13953) [2024-12-02 08:45:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65137 states to 65137 states and 87228 transitions. [2024-12-02 08:45:39,610 INFO L78 Accepts]: Start accepts. Automaton has 65137 states and 87228 transitions. Word has length 451 [2024-12-02 08:45:39,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:45:39,611 INFO L471 AbstractCegarLoop]: Abstraction has 65137 states and 87228 transitions. [2024-12-02 08:45:39,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 08:45:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 65137 states and 87228 transitions. [2024-12-02 08:45:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2024-12-02 08:45:39,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:45:39,624 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 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, 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] [2024-12-02 08:45:39,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 08:45:39,624 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 08:45:39,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:45:39,625 INFO L85 PathProgramCache]: Analyzing trace with hash -963241328, now seen corresponding path program 1 times [2024-12-02 08:45:39,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:45:39,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53662315] [2024-12-02 08:45:39,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:45:39,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:45:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:45:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2024-12-02 08:45:49,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:45:49,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53662315] [2024-12-02 08:45:49,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53662315] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:45:49,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:45:49,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:45:49,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55821652] [2024-12-02 08:45:49,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:45:49,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:45:49,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:45:49,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:45:49,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:45:49,036 INFO L87 Difference]: Start difference. First operand 65137 states and 87228 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 08:45:53,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:45:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:45:57,932 INFO L93 Difference]: Finished difference Result 138739 states and 185781 transitions. [2024-12-02 08:45:57,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:45:57,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 451 [2024-12-02 08:45:57,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:45:58,158 INFO L225 Difference]: With dead ends: 138739 [2024-12-02 08:45:58,158 INFO L226 Difference]: Without dead ends: 73798 [2024-12-02 08:45:58,282 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 08:45:58,282 INFO L435 NwaCegarLoop]: 4051 mSDtfsCounter, 1503 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 6558 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 08:45:58,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 6558 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:45:58,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73798 states. [2024-12-02 08:46:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73798 to 73790. [2024-12-02 08:46:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73790 states, 53228 states have (on average 1.2644472833846847) internal successors, (67304), 54038 states have internal predecessors, (67304), 15658 states have call successors, (15658), 4917 states have call predecessors, (15658), 4902 states have return successors, (15679), 15490 states have call predecessors, (15679), 15658 states have call successors, (15679) [2024-12-02 08:46:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73790 states to 73790 states and 98641 transitions. [2024-12-02 08:46:03,203 INFO L78 Accepts]: Start accepts. Automaton has 73790 states and 98641 transitions. Word has length 451 [2024-12-02 08:46:03,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:46:03,204 INFO L471 AbstractCegarLoop]: Abstraction has 73790 states and 98641 transitions. [2024-12-02 08:46:03,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 08:46:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 73790 states and 98641 transitions. [2024-12-02 08:46:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-12-02 08:46:03,218 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:46:03,219 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:03,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 08:46:03,219 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 08:46:03,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:46:03,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1283518676, now seen corresponding path program 1 times [2024-12-02 08:46:03,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:46:03,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340931269] [2024-12-02 08:46:03,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:46:03,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:46:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:46:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2024-12-02 08:46:12,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:46:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340931269] [2024-12-02 08:46:12,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340931269] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:46:12,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:46:12,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:46:12,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312338550] [2024-12-02 08:46:12,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:46:12,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:46:12,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:46:12,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:46:12,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:46:12,836 INFO L87 Difference]: Start difference. First operand 73790 states and 98641 transitions. Second operand has 5 states, 5 states have (on average 39.6) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:46:16,891 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 08:46:22,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:46:22,914 INFO L93 Difference]: Finished difference Result 159090 states and 212514 transitions. [2024-12-02 08:46:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:46:22,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.6) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 492 [2024-12-02 08:46:22,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:46:23,154 INFO L225 Difference]: With dead ends: 159090 [2024-12-02 08:46:23,154 INFO L226 Difference]: Without dead ends: 85496 [2024-12-02 08:46:23,270 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 08:46:23,271 INFO L435 NwaCegarLoop]: 3998 mSDtfsCounter, 1684 mSDsluCounter, 10474 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 14472 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:46:23,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1684 Valid, 14472 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-12-02 08:46:23,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85496 states. [2024-12-02 08:46:27,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85496 to 85464. [2024-12-02 08:46:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85464 states, 61552 states have (on average 1.262071094359241) internal successors, (77683), 62498 states have internal predecessors, (77683), 18164 states have call successors, (18164), 5764 states have call predecessors, (18164), 5746 states have return successors, (18197), 17983 states have call predecessors, (18197), 18164 states have call successors, (18197) [2024-12-02 08:46:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85464 states to 85464 states and 114044 transitions. [2024-12-02 08:46:28,184 INFO L78 Accepts]: Start accepts. Automaton has 85464 states and 114044 transitions. Word has length 492 [2024-12-02 08:46:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:46:28,185 INFO L471 AbstractCegarLoop]: Abstraction has 85464 states and 114044 transitions. [2024-12-02 08:46:28,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.6) internal successors, (198), 4 states have internal predecessors, (198), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:46:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 85464 states and 114044 transitions. [2024-12-02 08:46:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2024-12-02 08:46:28,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:46:28,202 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:28,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 08:46:28,202 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 08:46:28,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:46:28,203 INFO L85 PathProgramCache]: Analyzing trace with hash -87339513, now seen corresponding path program 1 times [2024-12-02 08:46:28,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:46:28,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869631928] [2024-12-02 08:46:28,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:46:28,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:46:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:46:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2024-12-02 08:46:39,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:46:39,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869631928] [2024-12-02 08:46:39,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869631928] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:46:39,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:46:39,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:46:39,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95586998] [2024-12-02 08:46:39,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:46:39,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:46:39,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:46:39,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:46:39,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:46:39,438 INFO L87 Difference]: Start difference. First operand 85464 states and 114044 transitions. Second operand has 5 states, 5 states have (on average 39.8) internal successors, (199), 4 states have internal predecessors, (199), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:46:43,498 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 08:46:50,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:46:50,157 INFO L93 Difference]: Finished difference Result 181034 states and 241442 transitions. [2024-12-02 08:46:50,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:46:50,158 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), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 493 [2024-12-02 08:46:50,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:46:50,457 INFO L225 Difference]: With dead ends: 181034 [2024-12-02 08:46:50,457 INFO L226 Difference]: Without dead ends: 95766 [2024-12-02 08:46:50,599 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 08:46:50,600 INFO L435 NwaCegarLoop]: 3819 mSDtfsCounter, 1517 mSDsluCounter, 10116 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 13935 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:46:50,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 13935 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 08:46:50,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95766 states. [2024-12-02 08:46:55,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95766 to 95734. [2024-12-02 08:46:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95734 states, 68949 states have (on average 1.2611060348953573) internal successors, (86952), 69992 states have internal predecessors, (86952), 20256 states have call successors, (20256), 6533 states have call predecessors, (20256), 6527 states have return successors, (20301), 20077 states have call predecessors, (20301), 20256 states have call successors, (20301) [2024-12-02 08:46:55,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95734 states to 95734 states and 127509 transitions. [2024-12-02 08:46:55,944 INFO L78 Accepts]: Start accepts. Automaton has 95734 states and 127509 transitions. Word has length 493 [2024-12-02 08:46:55,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:46:55,945 INFO L471 AbstractCegarLoop]: Abstraction has 95734 states and 127509 transitions. [2024-12-02 08:46:55,945 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), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:46:55,945 INFO L276 IsEmpty]: Start isEmpty. Operand 95734 states and 127509 transitions. [2024-12-02 08:46:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-12-02 08:46:55,962 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:46:55,963 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:55,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 08:46:55,963 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 08:46:55,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:46:55,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1210101585, now seen corresponding path program 1 times [2024-12-02 08:46:55,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:46:55,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148974349] [2024-12-02 08:46:55,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:46:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:47:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:47:05,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2024-12-02 08:47:05,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:47:05,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148974349] [2024-12-02 08:47:05,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148974349] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:47:05,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:47:05,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:47:05,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620726284] [2024-12-02 08:47:05,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:47:05,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:47:05,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:47:05,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:47:05,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:47:05,957 INFO L87 Difference]: Start difference. First operand 95734 states and 127509 transitions. Second operand has 5 states, 5 states have (on average 40.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:47:10,016 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 08:47:17,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:47:17,229 INFO L93 Difference]: Finished difference Result 199789 states and 266152 transitions. [2024-12-02 08:47:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:47:17,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) Word has length 494 [2024-12-02 08:47:17,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:47:17,685 INFO L225 Difference]: With dead ends: 199789 [2024-12-02 08:47:17,685 INFO L226 Difference]: Without dead ends: 104251 [2024-12-02 08:47:17,886 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 08:47:17,886 INFO L435 NwaCegarLoop]: 4055 mSDtfsCounter, 1483 mSDsluCounter, 10611 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 14666 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:47:17,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 14666 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-12-02 08:47:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104251 states. [2024-12-02 08:47:24,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104251 to 104219. [2024-12-02 08:47:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104219 states, 75122 states have (on average 1.2612150901200714) internal successors, (94745), 76250 states have internal predecessors, (94745), 21970 states have call successors, (21970), 7131 states have call predecessors, (21970), 7125 states have return successors, (22015), 21781 states have call predecessors, (22015), 21970 states have call successors, (22015) [2024-12-02 08:47:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104219 states to 104219 states and 138730 transitions. [2024-12-02 08:47:24,890 INFO L78 Accepts]: Start accepts. Automaton has 104219 states and 138730 transitions. Word has length 494 [2024-12-02 08:47:24,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:47:24,890 INFO L471 AbstractCegarLoop]: Abstraction has 104219 states and 138730 transitions. [2024-12-02 08:47:24,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.0) internal successors, (200), 4 states have internal predecessors, (200), 3 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (50), 4 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:47:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 104219 states and 138730 transitions. [2024-12-02 08:47:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2024-12-02 08:47:24,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:47:24,921 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:47:24,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 08:47:24,922 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 08:47:24,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:47:24,922 INFO L85 PathProgramCache]: Analyzing trace with hash 213203289, now seen corresponding path program 1 times [2024-12-02 08:47:24,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:47:24,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986034633] [2024-12-02 08:47:24,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:47:24,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:47:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:47:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2024-12-02 08:47:35,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:47:35,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986034633] [2024-12-02 08:47:35,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986034633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:47:35,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:47:35,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:47:35,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092327722] [2024-12-02 08:47:35,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:47:36,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:47:36,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:47:36,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:47:36,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:47:36,002 INFO L87 Difference]: Start difference. First operand 104219 states and 138730 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:47:40,075 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 08:47:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:47:47,821 INFO L93 Difference]: Finished difference Result 218862 states and 291252 transitions. [2024-12-02 08:47:47,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:47:47,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 509 [2024-12-02 08:47:47,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:47:48,564 INFO L225 Difference]: With dead ends: 218862 [2024-12-02 08:47:48,564 INFO L226 Difference]: Without dead ends: 114839 [2024-12-02 08:47:48,870 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 08:47:48,871 INFO L435 NwaCegarLoop]: 4210 mSDtfsCounter, 1667 mSDsluCounter, 2506 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 6716 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:47:48,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 6716 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-12-02 08:47:48,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114839 states. [2024-12-02 08:47:57,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114839 to 114831. [2024-12-02 08:47:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114831 states, 82723 states have (on average 1.2604958717648054) internal successors, (104272), 83972 states have internal predecessors, (104272), 24212 states have call successors, (24212), 7906 states have call predecessors, (24212), 7894 states have return successors, (24257), 24007 states have call predecessors, (24257), 24212 states have call successors, (24257) [2024-12-02 08:47:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114831 states to 114831 states and 152741 transitions. [2024-12-02 08:47:58,260 INFO L78 Accepts]: Start accepts. Automaton has 114831 states and 152741 transitions. Word has length 509 [2024-12-02 08:47:58,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:47:58,261 INFO L471 AbstractCegarLoop]: Abstraction has 114831 states and 152741 transitions. [2024-12-02 08:47:58,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:47:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 114831 states and 152741 transitions. [2024-12-02 08:47:58,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2024-12-02 08:47:58,281 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:47:58,282 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2024-12-02 08:47:58,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 08:47:58,282 INFO L396 AbstractCegarLoop]: === Iteration 30 === 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 08:47:58,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:47:58,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1223149526, now seen corresponding path program 1 times [2024-12-02 08:47:58,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:47:58,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903683448] [2024-12-02 08:47:58,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:47:58,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:48:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:48:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2024-12-02 08:48:08,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:48:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903683448] [2024-12-02 08:48:08,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903683448] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:48:08,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425429736] [2024-12-02 08:48:08,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:48:08,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:48:08,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:48:08,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:48:08,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:48:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:48:21,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 6233 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:48:21,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:48:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2024-12-02 08:48:21,990 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:48:21,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425429736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:48:21,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:48:21,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:48:21,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735985196] [2024-12-02 08:48:21,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:48:21,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:48:21,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:48:21,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:48:21,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:48:21,993 INFO L87 Difference]: Start difference. First operand 114831 states and 152741 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-12-02 08:48:28,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:48:28,680 INFO L93 Difference]: Finished difference Result 229532 states and 305365 transitions. [2024-12-02 08:48:28,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:48:28,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 516 [2024-12-02 08:48:28,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:48:29,692 INFO L225 Difference]: With dead ends: 229532 [2024-12-02 08:48:29,692 INFO L226 Difference]: Without dead ends: 114897 [2024-12-02 08:48:29,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:48:29,932 INFO L435 NwaCegarLoop]: 2566 mSDtfsCounter, 0 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5126 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:48:29,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5126 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:48:30,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114897 states. [2024-12-02 08:48:40,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114897 to 114897. [2024-12-02 08:48:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114897 states, 82789 states have (on average 1.2602882025389845) internal successors, (104338), 84038 states have internal predecessors, (104338), 24212 states have call successors, (24212), 7906 states have call predecessors, (24212), 7894 states have return successors, (24257), 24007 states have call predecessors, (24257), 24212 states have call successors, (24257) [2024-12-02 08:48:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114897 states to 114897 states and 152807 transitions. [2024-12-02 08:48:40,615 INFO L78 Accepts]: Start accepts. Automaton has 114897 states and 152807 transitions. Word has length 516 [2024-12-02 08:48:40,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:48:40,616 INFO L471 AbstractCegarLoop]: Abstraction has 114897 states and 152807 transitions. [2024-12-02 08:48:40,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-12-02 08:48:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 114897 states and 152807 transitions. [2024-12-02 08:48:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2024-12-02 08:48:40,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:48:40,688 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 13, 13, 13, 9, 9, 9, 9, 9, 9, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2024-12-02 08:48:40,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:48:40,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:48:40,889 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 08:48:40,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:48:40,890 INFO L85 PathProgramCache]: Analyzing trace with hash -551857836, now seen corresponding path program 1 times [2024-12-02 08:48:40,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:48:40,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447948474] [2024-12-02 08:48:40,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:48:40,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:48:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:48:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 1361 trivial. 0 not checked. [2024-12-02 08:48:52,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:48:52,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447948474] [2024-12-02 08:48:52,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447948474] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:48:52,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281230148] [2024-12-02 08:48:52,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:48:52,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:48:52,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:48:52,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:48:52,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:49:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:49:06,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 6236 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 08:49:06,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:49:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 1108 trivial. 0 not checked. [2024-12-02 08:49:06,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:49:06,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281230148] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:49:06,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:49:06,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 08:49:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651179302] [2024-12-02 08:49:06,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:49:06,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:49:06,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:49:06,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:49:06,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:49:06,706 INFO L87 Difference]: Start difference. First operand 114897 states and 152807 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:49:10,775 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 08:49:19,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:49:19,260 INFO L93 Difference]: Finished difference Result 238301 states and 317016 transitions. [2024-12-02 08:49:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:49:19,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 516 [2024-12-02 08:49:19,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:49:19,768 INFO L225 Difference]: With dead ends: 238301 [2024-12-02 08:49:19,768 INFO L226 Difference]: Without dead ends: 123600 [2024-12-02 08:49:19,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:49:19,956 INFO L435 NwaCegarLoop]: 3503 mSDtfsCounter, 2248 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 27 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 5580 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:49:19,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 5580 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-12-02 08:49:20,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123600 states. [2024-12-02 08:49:28,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123600 to 123592. [2024-12-02 08:49:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123592 states, 89148 states have (on average 1.2612173015659354) internal successors, (112435), 90482 states have internal predecessors, (112435), 25938 states have call successors, (25938), 8516 states have call predecessors, (25938), 8504 states have return successors, (25983), 25723 states have call predecessors, (25983), 25938 states have call successors, (25983) [2024-12-02 08:49:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123592 states to 123592 states and 164356 transitions. [2024-12-02 08:49:29,132 INFO L78 Accepts]: Start accepts. Automaton has 123592 states and 164356 transitions. Word has length 516 [2024-12-02 08:49:29,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:49:29,133 INFO L471 AbstractCegarLoop]: Abstraction has 123592 states and 164356 transitions. [2024-12-02 08:49:29,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-12-02 08:49:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 123592 states and 164356 transitions. [2024-12-02 08:49:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2024-12-02 08:49:29,172 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:49:29,173 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 13, 13, 13, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:49:29,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:49:29,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:49:29,373 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 08:49:29,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:49:29,374 INFO L85 PathProgramCache]: Analyzing trace with hash 640010470, now seen corresponding path program 1 times [2024-12-02 08:49:29,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:49:29,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978768927] [2024-12-02 08:49:29,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:49:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:49:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:49:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2024-12-02 08:49:41,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:49:41,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978768927] [2024-12-02 08:49:41,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978768927] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:49:41,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:49:41,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:49:41,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153576081] [2024-12-02 08:49:41,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:49:41,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:49:41,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:49:41,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:49:41,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:49:41,183 INFO L87 Difference]: Start difference. First operand 123592 states and 164356 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 08:49:45,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:49:54,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:49:54,117 INFO L93 Difference]: Finished difference Result 257596 states and 342399 transitions. [2024-12-02 08:49:54,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:49:54,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 548 [2024-12-02 08:49:54,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:49:54,613 INFO L225 Difference]: With dead ends: 257596 [2024-12-02 08:49:54,613 INFO L226 Difference]: Without dead ends: 134200 [2024-12-02 08:49:54,809 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 08:49:54,809 INFO L435 NwaCegarLoop]: 3971 mSDtfsCounter, 1683 mSDsluCounter, 10420 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 14391 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:49:54,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 14391 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-12-02 08:49:54,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134200 states. [2024-12-02 08:50:02,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134200 to 125761. [2024-12-02 08:50:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125761 states, 90612 states have (on average 1.2608705248752925) internal successors, (114250), 91985 states have internal predecessors, (114250), 26388 states have call successors, (26388), 8759 states have call predecessors, (26388), 8759 states have return successors, (26445), 26179 states have call predecessors, (26445), 26388 states have call successors, (26445) [2024-12-02 08:50:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125761 states to 125761 states and 167083 transitions. [2024-12-02 08:50:03,511 INFO L78 Accepts]: Start accepts. Automaton has 125761 states and 167083 transitions. Word has length 548 [2024-12-02 08:50:03,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:50:03,511 INFO L471 AbstractCegarLoop]: Abstraction has 125761 states and 167083 transitions. [2024-12-02 08:50:03,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 08:50:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 125761 states and 167083 transitions. [2024-12-02 08:50:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2024-12-02 08:50:03,533 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:50:03,534 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 13, 13, 13, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:50:03,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 08:50:03,534 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 08:50:03,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:50:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1311586119, now seen corresponding path program 1 times [2024-12-02 08:50:03,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:50:03,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682878421] [2024-12-02 08:50:03,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:50:03,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:50:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:50:14,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1689 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 1583 trivial. 0 not checked. [2024-12-02 08:50:14,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:50:14,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682878421] [2024-12-02 08:50:14,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682878421] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:50:14,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:50:14,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:50:14,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899228714] [2024-12-02 08:50:14,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:50:14,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:50:14,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:50:14,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:50:14,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:50:14,327 INFO L87 Difference]: Start difference. First operand 125761 states and 167083 transitions. Second operand has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 08:50:18,388 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 08:50:27,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:50:27,926 INFO L93 Difference]: Finished difference Result 261796 states and 347562 transitions. [2024-12-02 08:50:27,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:50:27,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) Word has length 549 [2024-12-02 08:50:27,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:50:28,471 INFO L225 Difference]: With dead ends: 261796 [2024-12-02 08:50:28,471 INFO L226 Difference]: Without dead ends: 136231 [2024-12-02 08:50:28,897 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 08:50:28,897 INFO L435 NwaCegarLoop]: 3770 mSDtfsCounter, 1516 mSDsluCounter, 10018 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 13788 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:50:28,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 13788 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2024-12-02 08:50:28,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136231 states. [2024-12-02 08:50:37,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136231 to 127732. [2024-12-02 08:50:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127732 states, 91968 states have (on average 1.259633785664579) internal successors, (115846), 93353 states have internal predecessors, (115846), 26742 states have call successors, (26742), 9008 states have call predecessors, (26742), 9020 states have return successors, (26811), 26545 states have call predecessors, (26811), 26742 states have call successors, (26811) [2024-12-02 08:50:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127732 states to 127732 states and 169399 transitions. [2024-12-02 08:50:38,333 INFO L78 Accepts]: Start accepts. Automaton has 127732 states and 169399 transitions. Word has length 549 [2024-12-02 08:50:38,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:50:38,333 INFO L471 AbstractCegarLoop]: Abstraction has 127732 states and 169399 transitions. [2024-12-02 08:50:38,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.4) internal successors, (207), 4 states have internal predecessors, (207), 3 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (51), 4 states have call predecessors, (51), 3 states have call successors, (51) [2024-12-02 08:50:38,333 INFO L276 IsEmpty]: Start isEmpty. Operand 127732 states and 169399 transitions. [2024-12-02 08:50:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2024-12-02 08:50:38,359 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:50:38,360 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 13, 13, 13, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 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, 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] [2024-12-02 08:50:38,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 08:50:38,360 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 08:50:38,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:50:38,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1231148695, now seen corresponding path program 1 times [2024-12-02 08:50:38,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:50:38,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276412899] [2024-12-02 08:50:38,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:50:38,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:50:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:50:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1691 backedges. 134 proven. 28 refuted. 0 times theorem prover too weak. 1529 trivial. 0 not checked. [2024-12-02 08:50:51,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:50:51,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276412899] [2024-12-02 08:50:51,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276412899] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:50:51,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99990385] [2024-12-02 08:50:51,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:50:51,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:50:51,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:50:51,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:50:51,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_791979d8-c138-4ab6-bc45-e3237b06f37c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process