./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-fealnx.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_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/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_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/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-fealnx.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/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_91820d5e-e526-45fe-9bcc-4fbc47121064/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 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:09:09,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:09:09,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 01:09:09,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:09:09,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:09:09,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:09:09,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:09:09,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:09:09,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:09:09,863 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:09:09,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:09:09,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:09:09,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:09:09,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:09:09,864 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:09:09,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:09:09,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:09:09,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:09:09,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:09:09,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:09:09,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:09:09,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:09:09,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:09:09,865 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:09:09,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:09:09,865 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:09:09,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:09:09,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:09:09,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:09:09,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:09:09,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:09:09,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:09:09,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:09:09,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:09:09,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:09:09,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:09:09,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:09:09,868 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_91820d5e-e526-45fe-9bcc-4fbc47121064/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 -> 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a [2024-11-24 01:09:10,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:09:10,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:09:10,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:09:10,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:09:10,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:09:10,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-24 01:09:13,051 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/data/6c20c32ef/d3e008b962e6499391f5822ec96ea0dd/FLAGb8d35c7ae [2024-11-24 01:09:13,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:09:13,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-24 01:09:13,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/data/6c20c32ef/d3e008b962e6499391f5822ec96ea0dd/FLAGb8d35c7ae [2024-11-24 01:09:13,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/data/6c20c32ef/d3e008b962e6499391f5822ec96ea0dd [2024-11-24 01:09:13,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:09:13,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:09:13,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:09:13,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:09:13,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:09:13,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:09:13" (1/1) ... [2024-11-24 01:09:14,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7186af2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:14, skipping insertion in model container [2024-11-24 01:09:14,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:09:13" (1/1) ... [2024-11-24 01:09:14,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:09:16,814 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2024-11-24 01:09:16,817 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2024-11-24 01:09:16,818 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2024-11-24 01:09:16,819 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2024-11-24 01:09:16,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:09:16,880 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:09:17,037 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"); [5241] [2024-11-24 01:09:17,039 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)); [5248] [2024-11-24 01:09:17,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5255] [2024-11-24 01:09:17,042 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)); [5294-5295] [2024-11-24 01:09:17,042 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"); [5300-5302] [2024-11-24 01:09:17,059 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)); [5511-5512] [2024-11-24 01:09:17,064 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)); [5545-5546] [2024-11-24 01:09:17,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5582-5583] [2024-11-24 01:09:17,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5619-5620] [2024-11-24 01:09:17,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7057] [2024-11-24 01:09:17,366 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2024-11-24 01:09:17,367 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2024-11-24 01:09:17,368 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2024-11-24 01:09:17,368 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_91820d5e-e526-45fe-9bcc-4fbc47121064/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2024-11-24 01:09:17,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:09:17,678 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:09:17,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17 WrapperNode [2024-11-24 01:09:17,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:09:17,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:09:17,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:09:17,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:09:17,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:17,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:17,994 INFO L138 Inliner]: procedures = 434, calls = 1823, calls flagged for inlining = 216, calls inlined = 199, statements flattened = 4821 [2024-11-24 01:09:17,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:09:17,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:09:17,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:09:17,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:09:18,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:18,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:18,034 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,033 INFO L175 MemorySlicer]: Split 923 memory accesses to 16 slices as follows [7, 1, 7, 1, 48, 2, 9, 3, 10, 2, 8, 54, 3, 1, 2, 765]. 83 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [0, 0, 7, 1, 18, 2, 8, 0, 8, 0, 6, 0, 1, 0, 0, 19]. The 422 writes are split as follows [4, 0, 0, 0, 30, 0, 0, 0, 0, 1, 0, 42, 0, 1, 1, 343]. [2024-11-24 01:09:19,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,170 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:09:19,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:09:19,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:09:19,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:09:19,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (1/1) ... [2024-11-24 01:09:19,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:09:19,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:09:19,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:09:19,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91820d5e-e526-45fe-9bcc-4fbc47121064/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:09:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2024-11-24 01:09:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2024-11-24 01:09:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-11-24 01:09:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-11-24 01:09:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-24 01:09:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-24 01:09:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 01:09:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 01:09:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-11-24 01:09:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-11-24 01:09:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-24 01:09:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-24 01:09:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 01:09:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 01:09:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:09:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 01:09:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-24 01:09:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-24 01:09:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2024-11-24 01:09:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2024-11-24 01:09:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2024-11-24 01:09:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-24 01:09:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2024-11-24 01:09:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2024-11-24 01:09:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-24 01:09:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-11-24 01:09:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-24 01:09:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 01:09:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 01:09:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 01:09:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 01:09:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 01:09:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 01:09:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-24 01:09:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-24 01:09:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-24 01:09:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2024-11-24 01:09:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2024-11-24 01:09:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-24 01:09:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-24 01:09:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2024-11-24 01:09:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2024-11-24 01:09:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 01:09:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 01:09:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 01:09:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-24 01:09:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 01:09:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-24 01:09:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-24 01:09:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-24 01:09:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-24 01:09:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-11-24 01:09:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-11-24 01:09:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-11-24 01:09:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-11-24 01:09:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-11-24 01:09:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-11-24 01:09:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-24 01:09:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-24 01:09:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:09:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-11-24 01:09:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:09:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-11-24 01:09:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-11-24 01:09:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-11-24 01:09:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-11-24 01:09:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:09:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-11-24 01:09:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-11-24 01:09:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 01:09:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 01:09:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-24 01:09:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-24 01:09:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:09:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:09:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:09:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:09:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 01:09:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-24 01:09:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-11-24 01:09:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 01:09:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-24 01:09:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-11-24 01:09:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2024-11-24 01:09:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-11-24 01:09:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:09:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 01:09:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 01:09:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 01:09:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 01:09:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2024-11-24 01:09:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:09:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-11-24 01:09:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2024-11-24 01:09:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2024-11-24 01:09:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-11-24 01:09:19,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-24 01:09:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-24 01:09:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-24 01:09:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-24 01:09:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-24 01:09:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-24 01:09:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-24 01:09:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2024-11-24 01:09:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2024-11-24 01:09:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-24 01:09:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-24 01:09:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-11-24 01:09:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-11-24 01:09:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:09:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2024-11-24 01:09:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2024-11-24 01:09:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-11-24 01:09:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-11-24 01:09:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:09:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:09:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-24 01:09:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:09:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-24 01:09:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-24 01:09:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-24 01:09:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2024-11-24 01:09:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2024-11-24 01:09:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2024-11-24 01:09:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 01:09:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 01:09:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 01:09:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-11-24 01:09:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-11-24 01:09:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-24 01:09:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-24 01:09:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:09:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:09:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:09:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:09:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 01:09:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 01:09:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-11-24 01:09:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-11-24 01:09:20,577 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:09:20,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:09:20,813 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 01:09:35,340 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-11-24 01:09:36,280 INFO L? ?]: Removed 2353 outVars from TransFormulas that were not future-live. [2024-11-24 01:09:36,281 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:09:36,324 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:09:36,324 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 01:09:36,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:09:36 BoogieIcfgContainer [2024-11-24 01:09:36,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:09:36,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:09:36,327 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:09:36,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:09:36,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:09:13" (1/3) ... [2024-11-24 01:09:36,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dac248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:09:36, skipping insertion in model container [2024-11-24 01:09:36,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:17" (2/3) ... [2024-11-24 01:09:36,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54dac248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:09:36, skipping insertion in model container [2024-11-24 01:09:36,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:09:36" (3/3) ... [2024-11-24 01:09:36,335 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-11-24 01:09:36,350 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:09:36,353 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i that has 100 procedures, 1965 locations, 1 initial locations, 19 loop locations, and 3 error locations. [2024-11-24 01:09:36,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:09:36,480 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;@50bafc23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:09:36,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-24 01:09:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 1903 states, 1405 states have (on average 1.3330960854092526) internal successors, (1873), 1425 states have internal predecessors, (1873), 412 states have call successors, (412), 84 states have call predecessors, (412), 83 states have return successors, (406), 403 states have call predecessors, (406), 406 states have call successors, (406) [2024-11-24 01:09:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:09:36,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:09:36,511 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:09:36,512 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 01:09:36,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:09:36,518 INFO L85 PathProgramCache]: Analyzing trace with hash -163449274, now seen corresponding path program 1 times [2024-11-24 01:09:36,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:09:36,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295338834] [2024-11-24 01:09:36,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:09:36,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:09:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:09:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:09:42,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:09:42,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295338834] [2024-11-24 01:09:42,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295338834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:09:42,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:09:42,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:09:42,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954997335] [2024-11-24 01:09:42,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:09:42,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:09:42,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:09:42,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:09:42,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:09:42,675 INFO L87 Difference]: Start difference. First operand has 1903 states, 1405 states have (on average 1.3330960854092526) internal successors, (1873), 1425 states have internal predecessors, (1873), 412 states have call successors, (412), 84 states have call predecessors, (412), 83 states have return successors, (406), 403 states have call predecessors, (406), 406 states have call successors, (406) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:09:46,751 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 01:09:47,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:09:47,527 INFO L93 Difference]: Finished difference Result 5566 states and 8045 transitions. [2024-11-24 01:09:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:09:47,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2024-11-24 01:09:47,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:09:47,583 INFO L225 Difference]: With dead ends: 5566 [2024-11-24 01:09:47,584 INFO L226 Difference]: Without dead ends: 3676 [2024-11-24 01:09:47,603 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 01:09:47,608 INFO L435 NwaCegarLoop]: 2681 mSDtfsCounter, 2534 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:09:47,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 5289 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 01:09:47,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3676 states. [2024-11-24 01:09:47,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3676 to 3672. [2024-11-24 01:09:47,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3672 states, 2738 states have (on average 1.318845872899927) internal successors, (3611), 2777 states have internal predecessors, (3611), 769 states have call successors, (769), 163 states have call predecessors, (769), 162 states have return successors, (765), 759 states have call predecessors, (765), 765 states have call successors, (765) [2024-11-24 01:09:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3672 states and 5145 transitions. [2024-11-24 01:09:48,041 INFO L78 Accepts]: Start accepts. Automaton has 3672 states and 5145 transitions. Word has length 127 [2024-11-24 01:09:48,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:09:48,046 INFO L471 AbstractCegarLoop]: Abstraction has 3672 states and 5145 transitions. [2024-11-24 01:09:48,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:09:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 5145 transitions. [2024-11-24 01:09:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:09:48,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:09:48,058 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:09:48,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:09:48,058 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 01:09:48,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:09:48,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1441388940, now seen corresponding path program 1 times [2024-11-24 01:09:48,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:09:48,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082843926] [2024-11-24 01:09:48,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:09:48,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:09:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:09:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:09:53,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:09:53,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082843926] [2024-11-24 01:09:53,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082843926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:09:53,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:09:53,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:09:53,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298894495] [2024-11-24 01:09:53,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:09:53,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:09:53,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:09:53,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:09:53,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:09:53,034 INFO L87 Difference]: Start difference. First operand 3672 states and 5145 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:09:57,082 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 01:09:57,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:09:57,914 INFO L93 Difference]: Finished difference Result 10240 states and 14295 transitions. [2024-11-24 01:09:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:09:57,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 129 [2024-11-24 01:09:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:09:57,969 INFO L225 Difference]: With dead ends: 10240 [2024-11-24 01:09:57,969 INFO L226 Difference]: Without dead ends: 6591 [2024-11-24 01:09:57,984 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 01:09:57,986 INFO L435 NwaCegarLoop]: 2836 mSDtfsCounter, 2113 mSDsluCounter, 2574 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 5410 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:09:57,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 5410 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 01:09:57,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2024-11-24 01:09:58,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 6561. [2024-11-24 01:09:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6561 states, 4860 states have (on average 1.30679012345679) internal successors, (6351), 4932 states have internal predecessors, (6351), 1385 states have call successors, (1385), 316 states have call predecessors, (1385), 313 states have return successors, (1399), 1358 states have call predecessors, (1399), 1381 states have call successors, (1399) [2024-11-24 01:09:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6561 states to 6561 states and 9135 transitions. [2024-11-24 01:09:58,323 INFO L78 Accepts]: Start accepts. Automaton has 6561 states and 9135 transitions. Word has length 129 [2024-11-24 01:09:58,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:09:58,324 INFO L471 AbstractCegarLoop]: Abstraction has 6561 states and 9135 transitions. [2024-11-24 01:09:58,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:09:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 6561 states and 9135 transitions. [2024-11-24 01:09:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:09:58,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:09:58,329 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:09:58,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:09:58,332 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 01:09:58,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:09:58,333 INFO L85 PathProgramCache]: Analyzing trace with hash 577806900, now seen corresponding path program 1 times [2024-11-24 01:09:58,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:09:58,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439703294] [2024-11-24 01:09:58,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:09:58,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:10:02,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:02,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439703294] [2024-11-24 01:10:02,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439703294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:02,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:02,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:02,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039700795] [2024-11-24 01:10:02,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:02,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:02,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:02,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:02,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:02,878 INFO L87 Difference]: Start difference. First operand 6561 states and 9135 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:10:06,932 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 01:10:08,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:08,412 INFO L93 Difference]: Finished difference Result 18773 states and 26183 transitions. [2024-11-24 01:10:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:08,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2024-11-24 01:10:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:08,514 INFO L225 Difference]: With dead ends: 18773 [2024-11-24 01:10:08,514 INFO L226 Difference]: Without dead ends: 12235 [2024-11-24 01:10:08,552 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 01:10:08,554 INFO L435 NwaCegarLoop]: 2660 mSDtfsCounter, 2317 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 5230 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:08,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 5230 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2024-11-24 01:10:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12235 states. [2024-11-24 01:10:09,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12235 to 12203. [2024-11-24 01:10:09,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12203 states, 8998 states have (on average 1.3099577683929762) internal successors, (11787), 9136 states have internal predecessors, (11787), 2597 states have call successors, (2597), 610 states have call predecessors, (2597), 605 states have return successors, (2635), 2538 states have call predecessors, (2635), 2593 states have call successors, (2635) [2024-11-24 01:10:09,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12203 states to 12203 states and 17019 transitions. [2024-11-24 01:10:09,383 INFO L78 Accepts]: Start accepts. Automaton has 12203 states and 17019 transitions. Word has length 134 [2024-11-24 01:10:09,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:09,384 INFO L471 AbstractCegarLoop]: Abstraction has 12203 states and 17019 transitions. [2024-11-24 01:10:09,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:10:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 12203 states and 17019 transitions. [2024-11-24 01:10:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:10:09,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:09,389 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:09,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:10:09,389 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 01:10:09,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:09,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1031790339, now seen corresponding path program 1 times [2024-11-24 01:10:09,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:09,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118330224] [2024-11-24 01:10:09,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:09,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:10:13,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:13,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118330224] [2024-11-24 01:10:13,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118330224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:13,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:13,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:13,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2495015] [2024-11-24 01:10:13,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:13,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:13,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:13,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:13,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:13,794 INFO L87 Difference]: Start difference. First operand 12203 states and 17019 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:10:17,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 01:10:19,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:19,258 INFO L93 Difference]: Finished difference Result 22940 states and 31984 transitions. [2024-11-24 01:10:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:19,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2024-11-24 01:10:19,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:19,464 INFO L225 Difference]: With dead ends: 22940 [2024-11-24 01:10:19,464 INFO L226 Difference]: Without dead ends: 10760 [2024-11-24 01:10:19,543 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 01:10:19,544 INFO L435 NwaCegarLoop]: 3154 mSDtfsCounter, 1821 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 5731 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:19,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 5731 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-24 01:10:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2024-11-24 01:10:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10728. [2024-11-24 01:10:20,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10728 states, 7961 states have (on average 1.314030900640623) internal successors, (10461), 8074 states have internal predecessors, (10461), 2199 states have call successors, (2199), 572 states have call predecessors, (2199), 565 states have return successors, (2216), 2143 states have call predecessors, (2216), 2195 states have call successors, (2216) [2024-11-24 01:10:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10728 states to 10728 states and 14876 transitions. [2024-11-24 01:10:20,306 INFO L78 Accepts]: Start accepts. Automaton has 10728 states and 14876 transitions. Word has length 134 [2024-11-24 01:10:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:20,307 INFO L471 AbstractCegarLoop]: Abstraction has 10728 states and 14876 transitions. [2024-11-24 01:10:20,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 01:10:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 10728 states and 14876 transitions. [2024-11-24 01:10:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 01:10:20,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:20,312 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:20,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:10:20,313 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:20,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:20,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1371567593, now seen corresponding path program 1 times [2024-11-24 01:10:20,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:20,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016886506] [2024-11-24 01:10:20,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:20,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-24 01:10:25,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:25,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016886506] [2024-11-24 01:10:25,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016886506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:25,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:25,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:25,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040754496] [2024-11-24 01:10:25,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:25,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:25,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:25,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:25,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:25,478 INFO L87 Difference]: Start difference. First operand 10728 states and 14876 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:10:29,524 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 01:10:30,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:30,421 INFO L93 Difference]: Finished difference Result 29899 states and 41368 transitions. [2024-11-24 01:10:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:30,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2024-11-24 01:10:30,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:30,521 INFO L225 Difference]: With dead ends: 29899 [2024-11-24 01:10:30,521 INFO L226 Difference]: Without dead ends: 19194 [2024-11-24 01:10:30,557 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 01:10:30,558 INFO L435 NwaCegarLoop]: 3268 mSDtfsCounter, 2527 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2527 SdHoareTripleChecker+Valid, 5833 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:30,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2527 Valid, 5833 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 01:10:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19194 states. [2024-11-24 01:10:31,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19194 to 19155. [2024-11-24 01:10:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19155 states, 14259 states have (on average 1.308577039063048) internal successors, (18659), 14491 states have internal predecessors, (18659), 3877 states have call successors, (3877), 1035 states have call predecessors, (3877), 1016 states have return successors, (3922), 3748 states have call predecessors, (3922), 3873 states have call successors, (3922) [2024-11-24 01:10:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19155 states to 19155 states and 26458 transitions. [2024-11-24 01:10:31,328 INFO L78 Accepts]: Start accepts. Automaton has 19155 states and 26458 transitions. Word has length 134 [2024-11-24 01:10:31,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:31,329 INFO L471 AbstractCegarLoop]: Abstraction has 19155 states and 26458 transitions. [2024-11-24 01:10:31,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-24 01:10:31,329 INFO L276 IsEmpty]: Start isEmpty. Operand 19155 states and 26458 transitions. [2024-11-24 01:10:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-24 01:10:31,335 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:31,335 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 9, 9, 9, 9, 9, 9, 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] [2024-11-24 01:10:31,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:10:31,336 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-11-24 01:10:31,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:31,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1921102590, now seen corresponding path program 1 times [2024-11-24 01:10:31,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:31,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965037837] [2024-11-24 01:10:31,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:31,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-24 01:10:36,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:36,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965037837] [2024-11-24 01:10:36,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965037837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:36,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:36,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:36,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295895513] [2024-11-24 01:10:36,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:36,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:36,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:36,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:36,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:36,712 INFO L87 Difference]: Start difference. First operand 19155 states and 26458 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:10:40,760 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 01:10:42,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:42,034 INFO L93 Difference]: Finished difference Result 56117 states and 77577 transitions. [2024-11-24 01:10:42,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:42,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 157 [2024-11-24 01:10:42,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:42,219 INFO L225 Difference]: With dead ends: 56117 [2024-11-24 01:10:42,219 INFO L226 Difference]: Without dead ends: 36985 [2024-11-24 01:10:42,274 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 01:10:42,275 INFO L435 NwaCegarLoop]: 3226 mSDtfsCounter, 2592 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2592 SdHoareTripleChecker+Valid, 5857 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:42,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2592 Valid, 5857 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-24 01:10:42,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36985 states. [2024-11-24 01:10:43,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36985 to 36927. [2024-11-24 01:10:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36927 states, 27459 states have (on average 1.3083870497833132) internal successors, (35927), 27941 states have internal predecessors, (35927), 7506 states have call successors, (7506), 1996 states have call predecessors, (7506), 1959 states have return successors, (7600), 7227 states have call predecessors, (7600), 7502 states have call successors, (7600) [2024-11-24 01:10:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36927 states to 36927 states and 51033 transitions. [2024-11-24 01:10:43,762 INFO L78 Accepts]: Start accepts. Automaton has 36927 states and 51033 transitions. Word has length 157 [2024-11-24 01:10:43,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:43,762 INFO L471 AbstractCegarLoop]: Abstraction has 36927 states and 51033 transitions. [2024-11-24 01:10:43,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 01:10:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36927 states and 51033 transitions. [2024-11-24 01:10:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-24 01:10:43,766 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:43,766 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:43,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:10:43,766 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 01:10:43,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:43,767 INFO L85 PathProgramCache]: Analyzing trace with hash 123462004, now seen corresponding path program 1 times [2024-11-24 01:10:43,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:43,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563387709] [2024-11-24 01:10:43,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:43,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:10:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:10:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2024-11-24 01:10:48,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:10:48,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563387709] [2024-11-24 01:10:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563387709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:10:48,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:10:48,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:10:48,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862241446] [2024-11-24 01:10:48,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:10:48,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:10:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:10:48,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:10:48,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:48,538 INFO L87 Difference]: Start difference. First operand 36927 states and 51033 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:10:52,587 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 01:10:54,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:10:54,394 INFO L93 Difference]: Finished difference Result 108601 states and 150254 transitions. [2024-11-24 01:10:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:10:54,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 188 [2024-11-24 01:10:54,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:10:54,779 INFO L225 Difference]: With dead ends: 108601 [2024-11-24 01:10:54,779 INFO L226 Difference]: Without dead ends: 71753 [2024-11-24 01:10:54,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:10:54,891 INFO L435 NwaCegarLoop]: 3441 mSDtfsCounter, 2495 mSDsluCounter, 2620 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 6061 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:10:54,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 6061 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-24 01:10:54,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71753 states. [2024-11-24 01:10:57,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71753 to 71749. [2024-11-24 01:10:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71749 states, 53595 states have (on average 1.309916969866592) internal successors, (70205), 54413 states have internal predecessors, (70205), 14378 states have call successors, (14378), 3830 states have call predecessors, (14378), 3773 states have return successors, (14570), 13981 states have call predecessors, (14570), 14374 states have call successors, (14570) [2024-11-24 01:10:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71749 states to 71749 states and 99153 transitions. [2024-11-24 01:10:58,158 INFO L78 Accepts]: Start accepts. Automaton has 71749 states and 99153 transitions. Word has length 188 [2024-11-24 01:10:58,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:10:58,158 INFO L471 AbstractCegarLoop]: Abstraction has 71749 states and 99153 transitions. [2024-11-24 01:10:58,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 01:10:58,159 INFO L276 IsEmpty]: Start isEmpty. Operand 71749 states and 99153 transitions. [2024-11-24 01:10:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-24 01:10:58,164 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:10:58,164 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:10:58,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:10:58,164 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 01:10:58,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:10:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash 264010614, now seen corresponding path program 1 times [2024-11-24 01:10:58,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:10:58,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462070738] [2024-11-24 01:10:58,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:10:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:03,640 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-24 01:11:03,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:03,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462070738] [2024-11-24 01:11:03,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462070738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:03,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:03,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:11:03,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166470705] [2024-11-24 01:11:03,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:03,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:11:03,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:03,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:11:03,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:03,643 INFO L87 Difference]: Start difference. First operand 71749 states and 99153 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:11:05,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:05,417 INFO L93 Difference]: Finished difference Result 71755 states and 99158 transitions. [2024-11-24 01:11:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:11:05,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 188 [2024-11-24 01:11:05,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:05,738 INFO L225 Difference]: With dead ends: 71755 [2024-11-24 01:11:05,738 INFO L226 Difference]: Without dead ends: 71753 [2024-11-24 01:11:05,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:11:05,761 INFO L435 NwaCegarLoop]: 2644 mSDtfsCounter, 2594 mSDsluCounter, 5274 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2595 SdHoareTripleChecker+Valid, 7918 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 01:11:05,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2595 Valid, 7918 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:11:05,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71753 states. [2024-11-24 01:11:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71753 to 71753. [2024-11-24 01:11:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71753 states, 53598 states have (on average 1.3098996231202658) internal successors, (70208), 54416 states have internal predecessors, (70208), 14378 states have call successors, (14378), 3831 states have call predecessors, (14378), 3774 states have return successors, (14570), 13981 states have call predecessors, (14570), 14374 states have call successors, (14570) [2024-11-24 01:11:08,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71753 states to 71753 states and 99156 transitions. [2024-11-24 01:11:08,991 INFO L78 Accepts]: Start accepts. Automaton has 71753 states and 99156 transitions. Word has length 188 [2024-11-24 01:11:08,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:08,995 INFO L471 AbstractCegarLoop]: Abstraction has 71753 states and 99156 transitions. [2024-11-24 01:11:08,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 01:11:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 71753 states and 99156 transitions. [2024-11-24 01:11:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-24 01:11:08,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:08,999 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:08,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:11:08,999 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 01:11:09,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:09,000 INFO L85 PathProgramCache]: Analyzing trace with hash -51150486, now seen corresponding path program 1 times [2024-11-24 01:11:09,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:09,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552142048] [2024-11-24 01:11:09,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:11:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:11:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-24 01:11:15,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:11:15,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552142048] [2024-11-24 01:11:15,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552142048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:11:15,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:11:15,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:11:15,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754625051] [2024-11-24 01:11:15,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:11:15,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:11:15,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:11:15,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:11:15,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:11:15,450 INFO L87 Difference]: Start difference. First operand 71753 states and 99156 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 01:11:17,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:11:17,911 INFO L93 Difference]: Finished difference Result 71759 states and 99161 transitions. [2024-11-24 01:11:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:11:17,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 193 [2024-11-24 01:11:17,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:11:18,162 INFO L225 Difference]: With dead ends: 71759 [2024-11-24 01:11:18,162 INFO L226 Difference]: Without dead ends: 71757 [2024-11-24 01:11:18,186 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 01:11:18,186 INFO L435 NwaCegarLoop]: 2647 mSDtfsCounter, 2590 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2591 SdHoareTripleChecker+Valid, 7922 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:11:18,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2591 Valid, 7922 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:11:18,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71757 states. [2024-11-24 01:11:20,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71757 to 71757. [2024-11-24 01:11:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71757 states, 53601 states have (on average 1.3098822783157031) internal successors, (70211), 54419 states have internal predecessors, (70211), 14378 states have call successors, (14378), 3832 states have call predecessors, (14378), 3775 states have return successors, (14570), 13981 states have call predecessors, (14570), 14374 states have call successors, (14570) [2024-11-24 01:11:20,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71757 states to 71757 states and 99159 transitions. [2024-11-24 01:11:20,762 INFO L78 Accepts]: Start accepts. Automaton has 71757 states and 99159 transitions. Word has length 193 [2024-11-24 01:11:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:11:20,763 INFO L471 AbstractCegarLoop]: Abstraction has 71757 states and 99159 transitions. [2024-11-24 01:11:20,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 01:11:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 71757 states and 99159 transitions. [2024-11-24 01:11:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-24 01:11:20,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:11:20,767 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:11:20,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:11:20,767 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 01:11:20,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:11:20,769 INFO L85 PathProgramCache]: Analyzing trace with hash -489477194, now seen corresponding path program 1 times [2024-11-24 01:11:20,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:11:20,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909735766] [2024-11-24 01:11:20,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:11:20,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms