./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-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC --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 7c9f1b92adb9acc769d32e01935187ba88bc4e22a7a5cb13176ef92b5b4818de --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:15:49,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:15:49,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:15:49,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:15:49,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:15:49,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:15:49,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:15:49,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:15:49,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:15:49,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:15:49,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:15:49,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:15:49,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:15:49,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:15:49,993 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:15:49,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:15:49,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:15:49,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:15:49,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:15:49,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:15:49,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:15:49,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:15:49,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:15:49,995 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:15:49,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:15:49,995 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:15:49,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:15:49,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:15:49,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:15:49,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:15:49,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:15:49,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:15:49,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:15:49,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:15:49,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:15:49,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:15:49,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:15:49,996 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:15:49,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:15:49,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:15:49,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:15:49,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:15:49,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:15:49,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:15:49,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:15:49,997 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC 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 -> 7c9f1b92adb9acc769d32e01935187ba88bc4e22a7a5cb13176ef92b5b4818de [2024-11-24 00:15:50,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:15:50,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:15:50,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:15:50,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:15:50,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:15:50,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-24 00:15:53,479 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/data/11db9af77/be355d4e458c405fa8a30f348fb8a54a/FLAG631d09f90 [2024-11-24 00:15:54,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:15:54,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-24 00:15:54,524 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/data/11db9af77/be355d4e458c405fa8a30f348fb8a54a/FLAG631d09f90 [2024-11-24 00:15:54,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/data/11db9af77/be355d4e458c405fa8a30f348fb8a54a [2024-11-24 00:15:54,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:15:54,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:15:54,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:15:54,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:15:54,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:15:54,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:15:54" (1/1) ... [2024-11-24 00:15:54,561 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1359d64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:54, skipping insertion in model container [2024-11-24 00:15:54,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:15:54" (1/1) ... [2024-11-24 00:15:54,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:15:57,663 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315136,315149] [2024-11-24 00:15:57,667 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315305,315318] [2024-11-24 00:15:57,668 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315472,315485] [2024-11-24 00:15:57,668 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315640,315653] [2024-11-24 00:15:57,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:15:57,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:15:57,917 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"); [5252] [2024-11-24 00:15:57,919 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)); [5259] [2024-11-24 00:15:57,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5266] [2024-11-24 00:15:57,921 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)); [5302-5303] [2024-11-24 00:15:57,922 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"); [5308-5310] [2024-11-24 00:15:57,938 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)); [5526-5527] [2024-11-24 00:15:57,942 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)); [5560-5561] [2024-11-24 00:15:58,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7910] [2024-11-24 00:15:58,241 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315136,315149] [2024-11-24 00:15:58,242 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315305,315318] [2024-11-24 00:15:58,242 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315472,315485] [2024-11-24 00:15:58,244 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_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i[315640,315653] [2024-11-24 00:15:58,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:15:58,477 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:15:58,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58 WrapperNode [2024-11-24 00:15:58,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:15:58,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:15:58,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:15:58,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:15:58,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:15:58,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:15:58,845 INFO L138 Inliner]: procedures = 430, calls = 1731, calls flagged for inlining = 202, calls inlined = 186, statements flattened = 4826 [2024-11-24 00:15:58,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:15:58,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:15:58,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:15:58,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:15:58,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:15:58,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:15:58,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,034 INFO L175 MemorySlicer]: Split 776 memory accesses to 19 slices as follows [4, 2, 15, 2, 4, 1, 2, 19, 10, 38, 9, 5, 9, 1, 54, 3, 572, 24, 2]. 74 percent of accesses are in the largest equivalence class. The 59 initializations are split as follows [4, 0, 15, 0, 4, 1, 2, 0, 10, 0, 9, 4, 9, 0, 0, 1, 0, 0, 0]. The 394 writes are split as follows [0, 1, 0, 1, 0, 0, 0, 16, 0, 32, 0, 0, 0, 0, 42, 0, 284, 17, 1]. [2024-11-24 00:16:00,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,174 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:16:00,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:16:00,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:16:00,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:16:00,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (1/1) ... [2024-11-24 00:16:00,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:16:00,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:16:00,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:16:00,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e413bbf-a7e3-4276-b8a6-83ce4d6ba1b9/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:16:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-24 00:16:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-24 00:16:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 00:16:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 00:16:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 00:16:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 00:16:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 00:16:00,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 00:16:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 00:16:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 00:16:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-24 00:16:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-24 00:16:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2024-11-24 00:16:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2024-11-24 00:16:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 00:16:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 00:16:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 00:16:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 00:16:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2024-11-24 00:16:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-24 00:16:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-24 00:16:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-24 00:16:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 00:16:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 00:16:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 00:16:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-24 00:16:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2024-11-24 00:16:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2024-11-24 00:16:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 00:16:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-24 00:16:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:16:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-24 00:16:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 00:16:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2024-11-24 00:16:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 00:16:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 00:16:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 00:16:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 00:16:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 00:16:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 00:16:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 00:16:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:16:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:16:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:16:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:16:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:16:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 00:16:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 00:16:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 00:16:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:16:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:16:00,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:16:00,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:16:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:16:00,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-24 00:16:00,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2024-11-24 00:16:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 00:16:00,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2024-11-24 00:16:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 00:16:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 00:16:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 00:16:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 00:16:00,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:16:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2024-11-24 00:16:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:16:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2024-11-24 00:16:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:16:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 00:16:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-11-24 00:16:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-11-24 00:16:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 00:16:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 00:16:00,524 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 00:16:00,524 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 00:16:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 00:16:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 00:16:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2024-11-24 00:16:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2024-11-24 00:16:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2024-11-24 00:16:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2024-11-24 00:16:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2024-11-24 00:16:00,525 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2024-11-24 00:16:00,525 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-24 00:16:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-24 00:16:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2024-11-24 00:16:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2024-11-24 00:16:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-24 00:16:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-24 00:16:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:16:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2024-11-24 00:16:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:16:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:16:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:16:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:16:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:16:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:16:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 00:16:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2024-11-24 00:16:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 00:16:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-24 00:16:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-24 00:16:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 00:16:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-24 00:16:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 00:16:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2024-11-24 00:16:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2024-11-24 00:16:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-24 00:16:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:16:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_ipg_nic_private [2024-11-24 00:16:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_ipg_nic_private [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2024-11-24 00:16:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2024-11-24 00:16:00,534 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 00:16:00,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 00:16:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 00:16:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 00:16:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 00:16:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 00:16:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 00:16:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 00:16:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-24 00:16:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 00:16:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 00:16:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-24 00:16:00,541 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:16:00,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2024-11-24 00:16:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 00:16:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2024-11-24 00:16:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2024-11-24 00:16:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2024-11-24 00:16:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2024-11-24 00:16:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2024-11-24 00:16:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-11-24 00:16:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2024-11-24 00:16:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_ipg_nic_private [2024-11-24 00:16:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_ipg_nic_private [2024-11-24 00:16:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 00:16:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 00:16:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2024-11-24 00:16:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2024-11-24 00:16:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-24 00:16:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2024-11-24 00:16:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 00:16:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2024-11-24 00:16:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2024-11-24 00:16:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 00:16:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 00:16:01,717 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:16:01,722 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:16:04,134 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 00:16:20,719 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 00:16:21,823 INFO L? ?]: Removed 2639 outVars from TransFormulas that were not future-live. [2024-11-24 00:16:21,823 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:16:21,895 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:16:21,895 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:16:21,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:16:21 BoogieIcfgContainer [2024-11-24 00:16:21,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:16:21,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:16:21,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:16:21,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:16:21,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:15:54" (1/3) ... [2024-11-24 00:16:21,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bf131a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:16:21, skipping insertion in model container [2024-11-24 00:16:21,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:15:58" (2/3) ... [2024-11-24 00:16:21,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bf131a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:16:21, skipping insertion in model container [2024-11-24 00:16:21,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:16:21" (3/3) ... [2024-11-24 00:16:21,911 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i [2024-11-24 00:16:21,926 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:16:21,929 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-icplus-ipg.cil.i that has 117 procedures, 2170 locations, 1 initial locations, 38 loop locations, and 3 error locations. [2024-11-24 00:16:22,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:16:22,065 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;@209996ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:16:22,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 00:16:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 2078 states, 1507 states have (on average 1.3205043132050431) internal successors, (1990), 1537 states have internal predecessors, (1990), 473 states have call successors, (473), 98 states have call predecessors, (473), 97 states have return successors, (467), 464 states have call predecessors, (467), 467 states have call successors, (467) [2024-11-24 00:16:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 00:16:22,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:22,092 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:22,092 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:16:22,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:22,097 INFO L85 PathProgramCache]: Analyzing trace with hash 480054072, now seen corresponding path program 1 times [2024-11-24 00:16:22,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:16:22,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904961393] [2024-11-24 00:16:22,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:22,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 00:16:28,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:16:28,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904961393] [2024-11-24 00:16:28,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904961393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:28,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:28,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:16:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892366960] [2024-11-24 00:16:28,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:28,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:16:28,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:16:28,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:16:28,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:28,580 INFO L87 Difference]: Start difference. First operand has 2078 states, 1507 states have (on average 1.3205043132050431) internal successors, (1990), 1537 states have internal predecessors, (1990), 473 states have call successors, (473), 98 states have call predecessors, (473), 97 states have return successors, (467), 464 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 00:16:32,652 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 [] [2024-11-24 00:16:33,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:33,793 INFO L93 Difference]: Finished difference Result 6086 states and 8770 transitions. [2024-11-24 00:16:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:16:33,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2024-11-24 00:16:33,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:33,876 INFO L225 Difference]: With dead ends: 6086 [2024-11-24 00:16:33,877 INFO L226 Difference]: Without dead ends: 4019 [2024-11-24 00:16:33,900 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 [2024-11-24 00:16:33,905 INFO L435 NwaCegarLoop]: 2892 mSDtfsCounter, 2750 mSDsluCounter, 2822 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 5714 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:33,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 5714 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:16:33,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4019 states. [2024-11-24 00:16:34,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4019 to 4015. [2024-11-24 00:16:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4015 states, 2932 states have (on average 1.2957025920873124) internal successors, (3799), 2989 states have internal predecessors, (3799), 890 states have call successors, (890), 191 states have call predecessors, (890), 190 states have return successors, (886), 880 states have call predecessors, (886), 886 states have call successors, (886) [2024-11-24 00:16:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 5575 transitions. [2024-11-24 00:16:34,327 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 5575 transitions. Word has length 116 [2024-11-24 00:16:34,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:34,329 INFO L471 AbstractCegarLoop]: Abstraction has 4015 states and 5575 transitions. [2024-11-24 00:16:34,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-24 00:16:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 5575 transitions. [2024-11-24 00:16:34,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:16:34,343 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:34,343 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:34,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:16:34,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:16:34,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:34,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1500094386, now seen corresponding path program 1 times [2024-11-24 00:16:34,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:16:34,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321685679] [2024-11-24 00:16:34,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:34,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 00:16:40,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:16:40,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321685679] [2024-11-24 00:16:40,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321685679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:40,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:40,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:16:40,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877225312] [2024-11-24 00:16:40,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:40,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:16:40,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:16:40,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:16:40,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:40,524 INFO L87 Difference]: Start difference. First operand 4015 states and 5575 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-24 00:16:44,589 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 [] [2024-11-24 00:16:45,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:45,699 INFO L93 Difference]: Finished difference Result 11067 states and 15299 transitions. [2024-11-24 00:16:45,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:16:45,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 120 [2024-11-24 00:16:45,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:45,766 INFO L225 Difference]: With dead ends: 11067 [2024-11-24 00:16:45,767 INFO L226 Difference]: Without dead ends: 7073 [2024-11-24 00:16:45,789 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 [2024-11-24 00:16:45,790 INFO L435 NwaCegarLoop]: 3079 mSDtfsCounter, 2174 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 5869 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:45,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 5869 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 00:16:45,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7073 states. [2024-11-24 00:16:46,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7073 to 7044. [2024-11-24 00:16:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7044 states, 5125 states have (on average 1.281170731707317) internal successors, (6566), 5229 states have internal predecessors, (6566), 1563 states have call successors, (1563), 360 states have call predecessors, (1563), 353 states have return successors, (1579), 1530 states have call predecessors, (1579), 1559 states have call successors, (1579) [2024-11-24 00:16:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7044 states to 7044 states and 9708 transitions. [2024-11-24 00:16:46,182 INFO L78 Accepts]: Start accepts. Automaton has 7044 states and 9708 transitions. Word has length 120 [2024-11-24 00:16:46,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:46,183 INFO L471 AbstractCegarLoop]: Abstraction has 7044 states and 9708 transitions. [2024-11-24 00:16:46,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-24 00:16:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7044 states and 9708 transitions. [2024-11-24 00:16:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-24 00:16:46,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:46,189 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:46,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:16:46,190 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:16:46,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:46,193 INFO L85 PathProgramCache]: Analyzing trace with hash -825660509, now seen corresponding path program 1 times [2024-11-24 00:16:46,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:16:46,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795273833] [2024-11-24 00:16:46,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:46,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-24 00:16:51,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:16:51,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795273833] [2024-11-24 00:16:51,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795273833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:16:51,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:16:51,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:16:51,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107287111] [2024-11-24 00:16:51,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:16:51,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:16:51,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:16:51,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:16:51,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:16:51,123 INFO L87 Difference]: Start difference. First operand 7044 states and 9708 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 00:16:55,178 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 [] [2024-11-24 00:16:56,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:56,785 INFO L93 Difference]: Finished difference Result 15582 states and 21474 transitions. [2024-11-24 00:16:56,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:16:56,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 168 [2024-11-24 00:16:56,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:16:56,848 INFO L225 Difference]: With dead ends: 15582 [2024-11-24 00:16:56,848 INFO L226 Difference]: Without dead ends: 8559 [2024-11-24 00:16:56,879 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 [2024-11-24 00:16:56,880 INFO L435 NwaCegarLoop]: 3968 mSDtfsCounter, 2095 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 6756 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:16:56,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 6756 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-24 00:16:56,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8559 states. [2024-11-24 00:16:57,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8559 to 8532. [2024-11-24 00:16:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8532 states, 6271 states have (on average 1.2827300271089142) internal successors, (8044), 6387 states have internal predecessors, (8044), 1822 states have call successors, (1822), 444 states have call predecessors, (1822), 436 states have return successors, (1830), 1786 states have call predecessors, (1830), 1818 states have call successors, (1830) [2024-11-24 00:16:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8532 states to 8532 states and 11696 transitions. [2024-11-24 00:16:57,298 INFO L78 Accepts]: Start accepts. Automaton has 8532 states and 11696 transitions. Word has length 168 [2024-11-24 00:16:57,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:16:57,299 INFO L471 AbstractCegarLoop]: Abstraction has 8532 states and 11696 transitions. [2024-11-24 00:16:57,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 00:16:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 8532 states and 11696 transitions. [2024-11-24 00:16:57,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-24 00:16:57,308 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:16:57,309 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:57,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:16:57,309 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:16:57,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:57,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1337766742, now seen corresponding path program 1 times [2024-11-24 00:16:57,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:16:57,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819692990] [2024-11-24 00:16:57,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:57,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:02,526 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-11-24 00:17:02,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:02,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819692990] [2024-11-24 00:17:02,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819692990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:02,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:02,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:17:02,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979917399] [2024-11-24 00:17:02,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:02,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:17:02,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:02,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:17:02,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:02,531 INFO L87 Difference]: Start difference. First operand 8532 states and 11696 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, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 00:17:06,589 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 [] [2024-11-24 00:17:07,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:07,781 INFO L93 Difference]: Finished difference Result 19119 states and 26244 transitions. [2024-11-24 00:17:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:17:07,782 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, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 170 [2024-11-24 00:17:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:07,870 INFO L225 Difference]: With dead ends: 19119 [2024-11-24 00:17:07,870 INFO L226 Difference]: Without dead ends: 10608 [2024-11-24 00:17:07,904 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 [2024-11-24 00:17:07,906 INFO L435 NwaCegarLoop]: 2871 mSDtfsCounter, 2587 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 5657 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:07,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2587 Valid, 5657 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-24 00:17:07,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10608 states. [2024-11-24 00:17:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10608 to 10580. [2024-11-24 00:17:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10580 states, 7742 states have (on average 1.283518470679411) internal successors, (9937), 7900 states have internal predecessors, (9937), 2281 states have call successors, (2281), 567 states have call predecessors, (2281), 554 states have return successors, (2298), 2215 states have call predecessors, (2298), 2277 states have call successors, (2298) [2024-11-24 00:17:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10580 states to 10580 states and 14516 transitions. [2024-11-24 00:17:08,511 INFO L78 Accepts]: Start accepts. Automaton has 10580 states and 14516 transitions. Word has length 170 [2024-11-24 00:17:08,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:08,515 INFO L471 AbstractCegarLoop]: Abstraction has 10580 states and 14516 transitions. [2024-11-24 00:17:08,516 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, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-24 00:17:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 10580 states and 14516 transitions. [2024-11-24 00:17:08,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:17:08,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:08,520 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:08,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:17:08,520 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:17:08,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:08,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1216505380, now seen corresponding path program 1 times [2024-11-24 00:17:08,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:08,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908850201] [2024-11-24 00:17:08,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:08,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-24 00:17:13,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:13,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908850201] [2024-11-24 00:17:13,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908850201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:13,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:13,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:17:13,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109914954] [2024-11-24 00:17:13,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:13,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:17:13,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:13,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:17:13,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:13,768 INFO L87 Difference]: Start difference. First operand 10580 states and 14516 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:17:17,819 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 [] [2024-11-24 00:17:18,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:18,938 INFO L93 Difference]: Finished difference Result 31043 states and 42641 transitions. [2024-11-24 00:17:18,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:17:18,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2024-11-24 00:17:18,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:19,043 INFO L225 Difference]: With dead ends: 31043 [2024-11-24 00:17:19,043 INFO L226 Difference]: Without dead ends: 20559 [2024-11-24 00:17:19,081 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 [2024-11-24 00:17:19,083 INFO L435 NwaCegarLoop]: 3038 mSDtfsCounter, 2714 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 5869 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 [2024-11-24 00:17:19,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 5869 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-24 00:17:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20559 states. [2024-11-24 00:17:20,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20559 to 20555. [2024-11-24 00:17:20,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20555 states, 15085 states have (on average 1.2849187935034803) internal successors, (19383), 15371 states have internal predecessors, (19383), 4390 states have call successors, (4390), 1098 states have call predecessors, (4390), 1077 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-24 00:17:20,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20555 states to 20555 states and 28201 transitions. [2024-11-24 00:17:20,365 INFO L78 Accepts]: Start accepts. Automaton has 20555 states and 28201 transitions. Word has length 172 [2024-11-24 00:17:20,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:20,369 INFO L471 AbstractCegarLoop]: Abstraction has 20555 states and 28201 transitions. [2024-11-24 00:17:20,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 00:17:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 20555 states and 28201 transitions. [2024-11-24 00:17:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:17:20,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:20,378 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:20,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:17:20,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:17:20,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1357053990, now seen corresponding path program 1 times [2024-11-24 00:17:20,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:20,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790485618] [2024-11-24 00:17:20,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:20,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-24 00:17:26,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:26,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790485618] [2024-11-24 00:17:26,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790485618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:26,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:26,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:17:26,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416179139] [2024-11-24 00:17:26,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:26,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:17:26,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:26,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:17:26,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:17:26,887 INFO L87 Difference]: Start difference. First operand 20555 states and 28201 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 00:17:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:27,924 INFO L93 Difference]: Finished difference Result 20561 states and 28206 transitions. [2024-11-24 00:17:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:17:27,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2024-11-24 00:17:27,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:28,021 INFO L225 Difference]: With dead ends: 20561 [2024-11-24 00:17:28,021 INFO L226 Difference]: Without dead ends: 20559 [2024-11-24 00:17:28,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:17:28,033 INFO L435 NwaCegarLoop]: 2855 mSDtfsCounter, 2809 mSDsluCounter, 5697 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 8552 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:28,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 8552 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:17:28,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20559 states. [2024-11-24 00:17:29,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20559 to 20559. [2024-11-24 00:17:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20559 states, 15088 states have (on average 1.284862142099682) internal successors, (19386), 15374 states have internal predecessors, (19386), 4390 states have call successors, (4390), 1099 states have call predecessors, (4390), 1078 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-24 00:17:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20559 states to 20559 states and 28204 transitions. [2024-11-24 00:17:29,164 INFO L78 Accepts]: Start accepts. Automaton has 20559 states and 28204 transitions. Word has length 172 [2024-11-24 00:17:29,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:29,165 INFO L471 AbstractCegarLoop]: Abstraction has 20559 states and 28204 transitions. [2024-11-24 00:17:29,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 00:17:29,166 INFO L276 IsEmpty]: Start isEmpty. Operand 20559 states and 28204 transitions. [2024-11-24 00:17:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-24 00:17:29,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:29,170 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:29,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:17:29,170 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:17:29,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:29,171 INFO L85 PathProgramCache]: Analyzing trace with hash 158949189, now seen corresponding path program 1 times [2024-11-24 00:17:29,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:29,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626419296] [2024-11-24 00:17:29,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:29,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-24 00:17:34,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:34,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626419296] [2024-11-24 00:17:34,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626419296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:34,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:34,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:17:34,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834186239] [2024-11-24 00:17:34,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:34,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:17:34,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:34,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:17:34,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:17:34,987 INFO L87 Difference]: Start difference. First operand 20559 states and 28204 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:17:36,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:36,110 INFO L93 Difference]: Finished difference Result 20565 states and 28209 transitions. [2024-11-24 00:17:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:17:36,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-11-24 00:17:36,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:36,207 INFO L225 Difference]: With dead ends: 20565 [2024-11-24 00:17:36,207 INFO L226 Difference]: Without dead ends: 20563 [2024-11-24 00:17:36,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:17:36,218 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2805 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2806 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:36,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2806 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:17:36,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20563 states. [2024-11-24 00:17:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20563 to 20563. [2024-11-24 00:17:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20563 states, 15091 states have (on average 1.2848055132198) internal successors, (19389), 15377 states have internal predecessors, (19389), 4390 states have call successors, (4390), 1100 states have call predecessors, (4390), 1079 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-24 00:17:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20563 states to 20563 states and 28207 transitions. [2024-11-24 00:17:37,113 INFO L78 Accepts]: Start accepts. Automaton has 20563 states and 28207 transitions. Word has length 177 [2024-11-24 00:17:37,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:37,113 INFO L471 AbstractCegarLoop]: Abstraction has 20563 states and 28207 transitions. [2024-11-24 00:17:37,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:17:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20563 states and 28207 transitions. [2024-11-24 00:17:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-24 00:17:37,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:37,117 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:37,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:17:37,118 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:17:37,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1878412474, now seen corresponding path program 1 times [2024-11-24 00:17:37,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:37,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5009264] [2024-11-24 00:17:37,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:37,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-24 00:17:42,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:42,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5009264] [2024-11-24 00:17:42,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5009264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:42,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:42,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:17:42,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729822544] [2024-11-24 00:17:42,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:42,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:17:42,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:42,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:17:42,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:17:42,915 INFO L87 Difference]: Start difference. First operand 20563 states and 28207 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:17:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:43,927 INFO L93 Difference]: Finished difference Result 20569 states and 28212 transitions. [2024-11-24 00:17:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:17:43,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 182 [2024-11-24 00:17:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:44,030 INFO L225 Difference]: With dead ends: 20569 [2024-11-24 00:17:44,031 INFO L226 Difference]: Without dead ends: 20567 [2024-11-24 00:17:44,042 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 [2024-11-24 00:17:44,042 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2804 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2805 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:44,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2805 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:17:44,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20567 states. [2024-11-24 00:17:44,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20567 to 20567. [2024-11-24 00:17:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20567 states, 15094 states have (on average 1.284748906850404) internal successors, (19392), 15380 states have internal predecessors, (19392), 4390 states have call successors, (4390), 1101 states have call predecessors, (4390), 1080 states have return successors, (4428), 4291 states have call predecessors, (4428), 4386 states have call successors, (4428) [2024-11-24 00:17:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20567 states to 20567 states and 28210 transitions. [2024-11-24 00:17:44,987 INFO L78 Accepts]: Start accepts. Automaton has 20567 states and 28210 transitions. Word has length 182 [2024-11-24 00:17:44,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:44,988 INFO L471 AbstractCegarLoop]: Abstraction has 20567 states and 28210 transitions. [2024-11-24 00:17:44,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:17:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 20567 states and 28210 transitions. [2024-11-24 00:17:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-24 00:17:44,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:44,993 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:44,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:17:44,993 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:17:44,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:44,994 INFO L85 PathProgramCache]: Analyzing trace with hash -585928141, now seen corresponding path program 1 times [2024-11-24 00:17:44,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:44,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019158535] [2024-11-24 00:17:44,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:44,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:17:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:17:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-11-24 00:17:50,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:17:50,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019158535] [2024-11-24 00:17:50,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019158535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:17:50,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:17:50,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:17:50,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260850409] [2024-11-24 00:17:50,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:17:50,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:17:50,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:17:50,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:17:50,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:17:50,046 INFO L87 Difference]: Start difference. First operand 20567 states and 28210 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-24 00:17:54,103 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 [] [2024-11-24 00:17:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:17:55,670 INFO L93 Difference]: Finished difference Result 51055 states and 70082 transitions. [2024-11-24 00:17:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:17:55,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 199 [2024-11-24 00:17:55,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:17:55,843 INFO L225 Difference]: With dead ends: 51055 [2024-11-24 00:17:55,843 INFO L226 Difference]: Without dead ends: 30584 [2024-11-24 00:17:55,913 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 [2024-11-24 00:17:55,914 INFO L435 NwaCegarLoop]: 5568 mSDtfsCounter, 2744 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 8401 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:17:55,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 8401 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 00:17:55,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30584 states. [2024-11-24 00:17:57,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30584 to 30550. [2024-11-24 00:17:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30550 states, 22445 states have (on average 1.2851860102472712) internal successors, (28846), 22859 states have internal predecessors, (28846), 6499 states have call successors, (6499), 1632 states have call predecessors, (6499), 1603 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-24 00:17:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30550 states to 30550 states and 41903 transitions. [2024-11-24 00:17:57,504 INFO L78 Accepts]: Start accepts. Automaton has 30550 states and 41903 transitions. Word has length 199 [2024-11-24 00:17:57,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:17:57,504 INFO L471 AbstractCegarLoop]: Abstraction has 30550 states and 41903 transitions. [2024-11-24 00:17:57,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-24 00:17:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 30550 states and 41903 transitions. [2024-11-24 00:17:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-24 00:17:57,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:17:57,508 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:17:57,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:17:57,509 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:17:57,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:17:57,514 INFO L85 PathProgramCache]: Analyzing trace with hash -60829787, now seen corresponding path program 1 times [2024-11-24 00:17:57,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:17:57,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650846482] [2024-11-24 00:17:57,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:17:57,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:18:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:18:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-11-24 00:18:02,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:18:02,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650846482] [2024-11-24 00:18:02,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650846482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:18:02,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:18:02,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:18:02,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52553192] [2024-11-24 00:18:02,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:18:02,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:18:02,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:18:02,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:18:02,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:18:02,058 INFO L87 Difference]: Start difference. First operand 30550 states and 41903 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:03,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:18:03,267 INFO L93 Difference]: Finished difference Result 30556 states and 41908 transitions. [2024-11-24 00:18:03,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:18:03,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 187 [2024-11-24 00:18:03,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:18:03,438 INFO L225 Difference]: With dead ends: 30556 [2024-11-24 00:18:03,438 INFO L226 Difference]: Without dead ends: 30554 [2024-11-24 00:18:03,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:18:03,461 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2803 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:18:03,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:18:03,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30554 states. [2024-11-24 00:18:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30554 to 30554. [2024-11-24 00:18:05,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30554 states, 22448 states have (on average 1.2851478973627941) internal successors, (28849), 22862 states have internal predecessors, (28849), 6499 states have call successors, (6499), 1633 states have call predecessors, (6499), 1604 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-24 00:18:05,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30554 states to 30554 states and 41906 transitions. [2024-11-24 00:18:05,500 INFO L78 Accepts]: Start accepts. Automaton has 30554 states and 41906 transitions. Word has length 187 [2024-11-24 00:18:05,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:18:05,501 INFO L471 AbstractCegarLoop]: Abstraction has 30554 states and 41906 transitions. [2024-11-24 00:18:05,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 30554 states and 41906 transitions. [2024-11-24 00:18:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-24 00:18:05,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:18:05,507 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:18:05,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:18:05,508 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:18:05,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:18:05,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1068805734, now seen corresponding path program 1 times [2024-11-24 00:18:05,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:18:05,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102856222] [2024-11-24 00:18:05,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:18:05,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:18:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:18:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-24 00:18:11,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:18:11,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102856222] [2024-11-24 00:18:11,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102856222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:18:11,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:18:11,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:18:11,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499540262] [2024-11-24 00:18:11,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:18:11,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:18:11,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:18:11,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:18:11,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:18:11,435 INFO L87 Difference]: Start difference. First operand 30554 states and 41906 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:12,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:18:12,655 INFO L93 Difference]: Finished difference Result 30560 states and 41911 transitions. [2024-11-24 00:18:12,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:18:12,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 192 [2024-11-24 00:18:12,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:18:12,813 INFO L225 Difference]: With dead ends: 30560 [2024-11-24 00:18:12,813 INFO L226 Difference]: Without dead ends: 30558 [2024-11-24 00:18:12,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:18:12,835 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2802 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 8556 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 [2024-11-24 00:18:12,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:18:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30558 states. [2024-11-24 00:18:14,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30558 to 30558. [2024-11-24 00:18:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30558 states, 22451 states have (on average 1.2851097946639347) internal successors, (28852), 22865 states have internal predecessors, (28852), 6499 states have call successors, (6499), 1634 states have call predecessors, (6499), 1605 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-24 00:18:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30558 states to 30558 states and 41909 transitions. [2024-11-24 00:18:14,368 INFO L78 Accepts]: Start accepts. Automaton has 30558 states and 41909 transitions. Word has length 192 [2024-11-24 00:18:14,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:18:14,370 INFO L471 AbstractCegarLoop]: Abstraction has 30558 states and 41909 transitions. [2024-11-24 00:18:14,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 30558 states and 41909 transitions. [2024-11-24 00:18:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-24 00:18:14,376 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:18:14,377 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:18:14,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:18:14,377 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:18:14,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:18:14,378 INFO L85 PathProgramCache]: Analyzing trace with hash 237959173, now seen corresponding path program 1 times [2024-11-24 00:18:14,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:18:14,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633482705] [2024-11-24 00:18:14,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:18:14,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:18:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:18:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2024-11-24 00:18:20,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:18:20,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633482705] [2024-11-24 00:18:20,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633482705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:18:20,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:18:20,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:18:20,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766534775] [2024-11-24 00:18:20,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:18:20,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:18:20,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:18:20,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:18:20,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:18:20,418 INFO L87 Difference]: Start difference. First operand 30558 states and 41909 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:22,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:18:22,051 INFO L93 Difference]: Finished difference Result 30564 states and 41914 transitions. [2024-11-24 00:18:22,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:18:22,052 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 197 [2024-11-24 00:18:22,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:18:22,214 INFO L225 Difference]: With dead ends: 30564 [2024-11-24 00:18:22,214 INFO L226 Difference]: Without dead ends: 30562 [2024-11-24 00:18:22,237 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 [2024-11-24 00:18:22,238 INFO L435 NwaCegarLoop]: 2858 mSDtfsCounter, 2801 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2802 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:18:22,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2802 Valid, 8556 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:18:22,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30562 states. [2024-11-24 00:18:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30562 to 30562. [2024-11-24 00:18:23,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30562 states, 22454 states have (on average 1.285071702146611) internal successors, (28855), 22868 states have internal predecessors, (28855), 6499 states have call successors, (6499), 1635 states have call predecessors, (6499), 1606 states have return successors, (6558), 6367 states have call predecessors, (6558), 6495 states have call successors, (6558) [2024-11-24 00:18:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30562 states to 30562 states and 41912 transitions. [2024-11-24 00:18:23,926 INFO L78 Accepts]: Start accepts. Automaton has 30562 states and 41912 transitions. Word has length 197 [2024-11-24 00:18:23,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:18:23,926 INFO L471 AbstractCegarLoop]: Abstraction has 30562 states and 41912 transitions. [2024-11-24 00:18:23,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:23,926 INFO L276 IsEmpty]: Start isEmpty. Operand 30562 states and 41912 transitions. [2024-11-24 00:18:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-24 00:18:23,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:18:23,932 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:18:23,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:18:23,932 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:18:23,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:18:23,933 INFO L85 PathProgramCache]: Analyzing trace with hash -584453754, now seen corresponding path program 1 times [2024-11-24 00:18:23,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:18:23,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524127396] [2024-11-24 00:18:23,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:18:23,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:18:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:18:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2024-11-24 00:18:28,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:18:28,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524127396] [2024-11-24 00:18:28,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524127396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:18:28,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:18:28,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:18:28,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100453798] [2024-11-24 00:18:28,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:18:28,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:18:28,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:18:28,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:18:28,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:18:28,485 INFO L87 Difference]: Start difference. First operand 30562 states and 41912 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:18:30,220 INFO L93 Difference]: Finished difference Result 36880 states and 50143 transitions. [2024-11-24 00:18:30,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:18:30,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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 202 [2024-11-24 00:18:30,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:18:30,345 INFO L225 Difference]: With dead ends: 36880 [2024-11-24 00:18:30,345 INFO L226 Difference]: Without dead ends: 36878 [2024-11-24 00:18:30,357 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 [2024-11-24 00:18:30,357 INFO L435 NwaCegarLoop]: 3157 mSDtfsCounter, 2161 mSDsluCounter, 7588 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 10745 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:18:30,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 10745 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:18:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36878 states. [2024-11-24 00:18:32,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36878 to 36878. [2024-11-24 00:18:32,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36878 states, 27035 states have (on average 1.281375994081746) internal successors, (34642), 27482 states have internal predecessors, (34642), 7720 states have call successors, (7720), 2149 states have call predecessors, (7720), 2120 states have return successors, (7779), 7588 states have call predecessors, (7779), 7716 states have call successors, (7779) [2024-11-24 00:18:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36878 states to 36878 states and 50141 transitions. [2024-11-24 00:18:32,153 INFO L78 Accepts]: Start accepts. Automaton has 36878 states and 50141 transitions. Word has length 202 [2024-11-24 00:18:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:18:32,154 INFO L471 AbstractCegarLoop]: Abstraction has 36878 states and 50141 transitions. [2024-11-24 00:18:32,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (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) [2024-11-24 00:18:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 36878 states and 50141 transitions. [2024-11-24 00:18:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-24 00:18:32,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:18:32,158 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:18:32,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:18:32,158 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 00:18:32,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:18:32,159 INFO L85 PathProgramCache]: Analyzing trace with hash 492886117, now seen corresponding path program 1 times [2024-11-24 00:18:32,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:18:32,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059939298] [2024-11-24 00:18:32,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:18:32,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms