./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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-?-798a7b3-m [2025-03-04 05:07:39,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 05:07:39,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 05:07:39,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 05:07:39,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 05:07:39,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 05:07:39,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 05:07:39,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 05:07:39,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 05:07:39,949 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 05:07:39,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 05:07:39,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 05:07:39,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 05:07:39,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 05:07:39,950 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 05:07:39,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 05:07:39,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 05:07:39,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 05:07:39,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 05:07:39,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 05:07:39,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 05:07:39,951 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:07:39,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 05:07:39,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 05:07:39,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 05:07:39,953 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2025-03-04 05:07:40,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 05:07:40,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 05:07:40,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 05:07:40,178 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 05:07:40,178 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 05:07:40,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-03-04 05:07:41,255 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c834783c3/e9e0b07f977649f4bf88048de394ff8c/FLAG32003e88b [2025-03-04 05:07:41,681 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 05:07:41,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-03-04 05:07:41,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c834783c3/e9e0b07f977649f4bf88048de394ff8c/FLAG32003e88b [2025-03-04 05:07:41,823 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c834783c3/e9e0b07f977649f4bf88048de394ff8c [2025-03-04 05:07:41,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 05:07:41,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 05:07:41,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 05:07:41,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 05:07:41,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 05:07:41,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:07:41" (1/1) ... [2025-03-04 05:07:41,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4d15bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:41, skipping insertion in model container [2025-03-04 05:07:41,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 05:07:41" (1/1) ... [2025-03-04 05:07:41,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 05:07:44,306 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2025-03-04 05:07:44,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2025-03-04 05:07:44,312 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2025-03-04 05:07:44,312 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2025-03-04 05:07:44,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:07:44,373 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 05:07:44,499 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] [2025-03-04 05:07:44,501 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] [2025-03-04 05:07:44,503 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5255] [2025-03-04 05:07:44,505 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] [2025-03-04 05:07:44,505 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] [2025-03-04 05:07:44,514 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] [2025-03-04 05:07:44,518 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] [2025-03-04 05:07:44,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5582-5583] [2025-03-04 05:07:44,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5619-5620] [2025-03-04 05:07:44,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7057] [2025-03-04 05:07:44,667 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319618,319631] [2025-03-04 05:07:44,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319787,319800] [2025-03-04 05:07:44,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[319954,319967] [2025-03-04 05:07:44,668 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i[320122,320135] [2025-03-04 05:07:44,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 05:07:44,803 INFO L204 MainTranslator]: Completed translation [2025-03-04 05:07:44,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44 WrapperNode [2025-03-04 05:07:44,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 05:07:44,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 05:07:44,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 05:07:44,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 05:07:44,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:44,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,042 INFO L138 Inliner]: procedures = 434, calls = 1823, calls flagged for inlining = 216, calls inlined = 199, statements flattened = 4821 [2025-03-04 05:07:45,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 05:07:45,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 05:07:45,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 05:07:45,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 05:07:45,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,079 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,644 INFO L175 MemorySlicer]: Split 923 memory accesses to 16 slices as follows [765, 7, 1, 2, 3, 9, 10, 8, 2, 54, 7, 3, 48, 2, 1, 1]. 83 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [19, 7, 1, 2, 0, 8, 8, 6, 0, 0, 0, 1, 18, 0, 0, 0]. The 422 writes are split as follows [343, 0, 0, 0, 0, 0, 0, 0, 1, 42, 4, 0, 30, 1, 1, 0]. [2025-03-04 05:07:45,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,781 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 05:07:45,868 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 05:07:45,868 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 05:07:45,868 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 05:07:45,869 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (1/1) ... [2025-03-04 05:07:45,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 05:07:45,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 05:07:45,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 05:07:45,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 05:07:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2025-03-04 05:07:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2025-03-04 05:07:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2025-03-04 05:07:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2025-03-04 05:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-04 05:07:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-04 05:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-04 05:07:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-04 05:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2025-03-04 05:07:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2025-03-04 05:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-04 05:07:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-04 05:07:45,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 05:07:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-04 05:07:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-04 05:07:45,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2025-03-04 05:07:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-04 05:07:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2025-03-04 05:07:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 05:07:45,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 05:07:45,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 05:07:45,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:07:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-04 05:07:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-04 05:07:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-04 05:07:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2025-03-04 05:07:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-04 05:07:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-04 05:07:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:07:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 05:07:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-04 05:07:45,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-04 05:07:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-03-04 05:07:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-03-04 05:07:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-04 05:07:45,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-04 05:07:45,926 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-04 05:07:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-04 05:07:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-04 05:07:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2025-03-04 05:07:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2025-03-04 05:07:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 05:07:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 05:07:45,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 05:07:45,927 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2025-03-04 05:07:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:07:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-04 05:07:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2025-03-04 05:07:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2025-03-04 05:07:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-04 05:07:45,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-04 05:07:45,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-04 05:07:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-04 05:07:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-04 05:07:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-04 05:07:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-04 05:07:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 05:07:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 05:07:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 05:07:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 05:07:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 05:07:45,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2025-03-04 05:07:45,931 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2025-03-04 05:07:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-03-04 05:07:45,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-03-04 05:07:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 05:07:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 05:07:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 05:07:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 05:07:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 05:07:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 05:07:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 05:07:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 05:07:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 05:07:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 05:07:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-04 05:07:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-04 05:07:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-03-04 05:07:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 05:07:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-04 05:07:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-04 05:07:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2025-03-04 05:07:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2025-03-04 05:07:46,582 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 05:07:46,584 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 05:07:46,700 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 05:07:46,781 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10078-1: ldv_del_timer_sync_85_#res#1 := ldv_del_timer_sync_85_~ldv_func_res~4#1; [2025-03-04 05:07:46,781 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10063-1: ldv_del_timer_sync_84_#res#1 := ldv_del_timer_sync_84_~ldv_func_res~3#1; [2025-03-04 05:07:46,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5257-1: test_and_clear_bit_#res#1 := 1; [2025-03-04 05:07:46,824 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12195: havoc netpoll_trap_#t~nondet1077#1; [2025-03-04 05:07:46,902 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12136: havoc #t~nondet1069; [2025-03-04 05:07:46,972 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5461: havoc is_device_dma_capable_#t~mem58#1.base, is_device_dma_capable_#t~mem58#1.offset;havoc is_device_dma_capable_#t~mem59#1.base, is_device_dma_capable_#t~mem59#1.offset;havoc is_device_dma_capable_#t~mem60#1;havoc is_device_dma_capable_#t~short61#1; [2025-03-04 05:07:47,002 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5263: havoc constant_test_bit_#t~mem0#1;havoc constant_test_bit_#t~bitwise1#1; [2025-03-04 05:07:47,014 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12239: havoc #t~nondet1087; [2025-03-04 05:07:47,095 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12119: havoc #t~nondet1067; [2025-03-04 05:07:47,161 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7807: call ULTIMATE.dealloc(~#mc_filter~0#1.base, ~#mc_filter~0#1.offset);havoc ~#mc_filter~0#1.base, ~#mc_filter~0#1.offset; [2025-03-04 05:07:47,161 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12073: havoc crc32_le_#t~nondet1060#1; [2025-03-04 05:07:47,161 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12066: havoc bitrev32_#t~nondet1059#1; [2025-03-04 05:07:47,346 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12222: havoc #t~nondet1081; [2025-03-04 05:07:47,355 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8348: #res#1 := ~arg0#1; [2025-03-04 05:07:47,364 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5787: havoc #t~mem179.base, #t~mem179.offset; [2025-03-04 05:07:47,390 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5487: havoc #t~mem93.base, #t~mem93.offset; [2025-03-04 05:07:47,670 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9938-1: ldv_request_irq_65_#res#1 := ldv_request_irq_65_~ldv_func_res~2#1; [2025-03-04 05:07:47,670 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9511-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-04 05:07:47,670 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12230: havoc request_threaded_irq_#t~nondet1083#1; [2025-03-04 05:07:47,670 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6640: call ULTIMATE.dealloc(~#__key~1#1.base, ~#__key~1#1.offset);havoc ~#__key~1#1.base, ~#__key~1#1.offset;call ULTIMATE.dealloc(~#__key___0~0#1.base, ~#__key___0~0#1.offset);havoc ~#__key___0~0#1.base, ~#__key___0~0#1.offset; [2025-03-04 05:07:47,705 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10123: havoc ldv_dev_get_drvdata_#t~mem949#1.base, ldv_dev_get_drvdata_#t~mem949#1.offset;havoc ldv_dev_get_drvdata_#t~mem950#1.base, ldv_dev_get_drvdata_#t~mem950#1.offset; [2025-03-04 05:07:47,709 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12041: havoc #t~nondet1057; [2025-03-04 05:07:47,722 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12034: havoc #t~nondet1056; [2025-03-04 05:07:47,730 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12095: havoc #t~nondet1061; [2025-03-04 05:07:47,832 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5310: havoc arch_irqs_disabled_flags_#t~bitwise19#1; [2025-03-04 05:07:47,995 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12187: havoc mii_nway_restart_#t~nondet1075#1; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12191: havoc netif_rx_#t~nondet1076#1; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12062: havoc alloc_etherdev_mqs_#t~ret1058#1.base, alloc_etherdev_mqs_#t~ret1058#1.offset; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12129: havoc generic_mii_ioctl_#t~nondet1068#1; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12199: havoc pci_enable_device_#t~nondet1078#1; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint main_returnLabel#1: #t~ret1089#1 := main_#res#1;havoc main_#t~ret864#1, main_~tmp~59#1;assume { :end_inline_main } true; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12202: havoc pci_iomap_#t~ret1079#1.base, pci_iomap_#t~ret1079#1.offset; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9890-1: ldv_register_netdev_61_#res#1 := ldv_register_netdev_61_~ldv_func_res~1#1; [2025-03-04 05:07:57,809 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12140: havoc ioread8_#t~nondet1070#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6195: call ULTIMATE.dealloc(fealnx_init_one_~#boardname~0#1.base, fealnx_init_one_~#boardname~0#1.offset);havoc fealnx_init_one_~#boardname~0#1.base, fealnx_init_one_~#boardname~0#1.offset;call ULTIMATE.dealloc(fealnx_init_one_~#ring_dma~0#1.base, fealnx_init_one_~#ring_dma~0#1.offset);havoc fealnx_init_one_~#ring_dma~0#1.base, fealnx_init_one_~#ring_dma~0#1.offset;call ULTIMATE.dealloc(fealnx_init_one_~#__key~0#1.base, fealnx_init_one_~#__key~0#1.offset);havoc fealnx_init_one_~#__key~0#1.base, fealnx_init_one_~#__key~0#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8311-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9171: call ULTIMATE.dealloc(ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset);havoc ldv_pci_instance_suspend_2_8_~#arg2#1.base, ldv_pci_instance_suspend_2_8_~#arg2#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12212: havoc pci_request_regions_#t~nondet1080#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8314-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8316-1: ldv_alloc_etherdev_mqs_#res#1.base, ldv_alloc_etherdev_mqs_#res#1.offset := ldv_alloc_etherdev_mqs_~arg0#1.base, ldv_alloc_etherdev_mqs_~arg0#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10105-1: ldv___pci_register_driver_87_#res#1 := ldv___pci_register_driver_87_~ldv_func_res~5#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9182: call ULTIMATE.dealloc(ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset);havoc ldv_pci_instance_suspend_late_2_7_~#arg2#1.base, ldv_pci_instance_suspend_late_2_7_~#arg2#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5417: havoc kobject_name_#t~mem36#1.base, kobject_name_#t~mem36#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12226: havoc register_netdev_#t~nondet1082#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12030: havoc __pci_register_driver_#t~nondet1055#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12165: havoc ldv_pre_register_netdev_#t~nondet1071#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12099: havoc dev_err_#t~nondet1062#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12103: havoc dev_warn_#t~nondet1063#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5431: havoc dev_name_#t~mem49#1.base, dev_name_#t~mem49#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12107: havoc eth_change_mtu_#t~nondet1064#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12175: havoc mii_ethtool_gset_#t~nondet1072#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9467-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9468-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12111: havoc eth_mac_addr_#t~nondet1065#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12179: havoc mii_ethtool_sset_#t~nondet1073#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12115: havoc eth_type_trans_#t~nondet1066#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L12183: havoc mii_link_ok_#t~nondet1074#1; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9875-1: ldv_alloc_etherdev_mqs_60_#res#1.base, ldv_alloc_etherdev_mqs_60_#res#1.offset := ldv_alloc_etherdev_mqs_60_~ldv_func_res~0#1.base, ldv_alloc_etherdev_mqs_60_~ldv_func_res~0#1.offset; [2025-03-04 05:07:57,810 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8292-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2025-03-04 05:07:58,630 INFO L? ?]: Removed 2353 outVars from TransFormulas that were not future-live. [2025-03-04 05:07:58,631 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 05:07:58,720 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 05:07:58,720 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-04 05:07:58,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:07:58 BoogieIcfgContainer [2025-03-04 05:07:58,723 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 05:07:58,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 05:07:58,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 05:07:58,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 05:07:58,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 05:07:41" (1/3) ... [2025-03-04 05:07:58,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7c4791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:07:58, skipping insertion in model container [2025-03-04 05:07:58,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 05:07:44" (2/3) ... [2025-03-04 05:07:58,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7c4791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:07:58, skipping insertion in model container [2025-03-04 05:07:58,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 05:07:58" (3/3) ... [2025-03-04 05:07:58,730 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-03-04 05:07:58,742 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 05:07:58,745 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, 1967 locations, 1 initial locations, 19 loop locations, and 3 error locations. [2025-03-04 05:07:58,832 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 05:07:58,844 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;@166ce441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 05:07:58,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-04 05:07:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 1905 states, 1407 states have (on average 1.3326226012793176) internal successors, (1875), 1427 states have internal predecessors, (1875), 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) [2025-03-04 05:07:58,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 05:07:58,870 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:07:58,872 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 05:07:58,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2025-03-04 05:07:58,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:07:58,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1464999207, now seen corresponding path program 1 times [2025-03-04 05:07:58,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:07:58,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109887648] [2025-03-04 05:07:58,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:07:58,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:08:02,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 05:08:02,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 05:08:02,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:08:02,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:08:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:08:03,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:08:03,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109887648] [2025-03-04 05:08:03,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109887648] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:08:03,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:08:03,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:08:03,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356296568] [2025-03-04 05:08:03,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:08:03,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:08:03,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:08:03,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:08:03,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:08:03,052 INFO L87 Difference]: Start difference. First operand has 1905 states, 1407 states have (on average 1.3326226012793176) internal successors, (1875), 1427 states have internal predecessors, (1875), 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) [2025-03-04 05:08:07,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:08:09,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:08:09,793 INFO L93 Difference]: Finished difference Result 5572 states and 8051 transitions. [2025-03-04 05:08:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:08:09,795 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 [2025-03-04 05:08:09,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:08:09,830 INFO L225 Difference]: With dead ends: 5572 [2025-03-04 05:08:09,830 INFO L226 Difference]: Without dead ends: 3680 [2025-03-04 05:08:09,843 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 [2025-03-04 05:08:09,845 INFO L435 NwaCegarLoop]: 2596 mSDtfsCounter, 2536 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 5119 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2025-03-04 05:08:09,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 5119 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2025-03-04 05:08:09,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2025-03-04 05:08:10,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3676. [2025-03-04 05:08:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 2742 states have (on average 1.3183807439824946) internal successors, (3615), 2781 states have internal predecessors, (3615), 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) [2025-03-04 05:08:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5149 transitions. [2025-03-04 05:08:10,043 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5149 transitions. Word has length 127 [2025-03-04 05:08:10,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:08:10,046 INFO L471 AbstractCegarLoop]: Abstraction has 3676 states and 5149 transitions. [2025-03-04 05:08:10,047 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) [2025-03-04 05:08:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5149 transitions. [2025-03-04 05:08:10,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-04 05:08:10,053 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:08:10,053 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] [2025-03-04 05:08:10,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 05:08:10,053 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)] === [2025-03-04 05:08:10,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:08:10,054 INFO L85 PathProgramCache]: Analyzing trace with hash 967928535, now seen corresponding path program 1 times [2025-03-04 05:08:10,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:08:10,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668005391] [2025-03-04 05:08:10,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:08:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:08:12,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-04 05:08:13,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-04 05:08:13,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:08:13,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:08:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:08:13,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:08:13,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668005391] [2025-03-04 05:08:13,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668005391] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:08:13,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:08:13,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:08:13,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547879140] [2025-03-04 05:08:13,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:08:13,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:08:13,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:08:13,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:08:13,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:08:13,404 INFO L87 Difference]: Start difference. First operand 3676 states and 5149 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) [2025-03-04 05:08:17,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:08:20,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:08:20,261 INFO L93 Difference]: Finished difference Result 10252 states and 14307 transitions. [2025-03-04 05:08:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:08:20,262 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 [2025-03-04 05:08:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:08:20,295 INFO L225 Difference]: With dead ends: 10252 [2025-03-04 05:08:20,296 INFO L226 Difference]: Without dead ends: 6599 [2025-03-04 05:08:20,309 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 [2025-03-04 05:08:20,309 INFO L435 NwaCegarLoop]: 2690 mSDtfsCounter, 2115 mSDsluCounter, 2489 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2115 SdHoareTripleChecker+Valid, 5179 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2025-03-04 05:08:20,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2115 Valid, 5179 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2025-03-04 05:08:20,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6599 states. [2025-03-04 05:08:20,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6599 to 6569. [2025-03-04 05:08:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6569 states, 4868 states have (on average 1.3062859490550534) internal successors, (6359), 4940 states have internal predecessors, (6359), 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) [2025-03-04 05:08:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9143 transitions. [2025-03-04 05:08:20,530 INFO L78 Accepts]: Start accepts. Automaton has 6569 states and 9143 transitions. Word has length 129 [2025-03-04 05:08:20,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:08:20,531 INFO L471 AbstractCegarLoop]: Abstraction has 6569 states and 9143 transitions. [2025-03-04 05:08:20,531 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) [2025-03-04 05:08:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand 6569 states and 9143 transitions. [2025-03-04 05:08:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-04 05:08:20,534 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:08:20,535 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] [2025-03-04 05:08:20,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 05:08:20,535 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)] === [2025-03-04 05:08:20,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:08:20,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2101088778, now seen corresponding path program 1 times [2025-03-04 05:08:20,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:08:20,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221665352] [2025-03-04 05:08:20,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:08:20,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:08:23,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 05:08:23,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 05:08:23,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:08:23,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:08:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:08:23,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:08:23,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221665352] [2025-03-04 05:08:23,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221665352] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:08:23,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:08:23,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:08:23,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469417804] [2025-03-04 05:08:23,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:08:23,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:08:23,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:08:23,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:08:23,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:08:23,831 INFO L87 Difference]: Start difference. First operand 6569 states and 9143 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) [2025-03-04 05:08:27,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:08:31,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:08:31,407 INFO L93 Difference]: Finished difference Result 18793 states and 26203 transitions. [2025-03-04 05:08:31,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:08:31,407 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 [2025-03-04 05:08:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:08:31,467 INFO L225 Difference]: With dead ends: 18793 [2025-03-04 05:08:31,468 INFO L226 Difference]: Without dead ends: 12247 [2025-03-04 05:08:31,487 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 [2025-03-04 05:08:31,490 INFO L435 NwaCegarLoop]: 2575 mSDtfsCounter, 2318 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2025-03-04 05:08:31,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 5060 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2025-03-04 05:08:31,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12247 states. [2025-03-04 05:08:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12247 to 12215. [2025-03-04 05:08:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12215 states, 9010 states have (on average 1.3095449500554939) internal successors, (11799), 9148 states have internal predecessors, (11799), 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) [2025-03-04 05:08:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12215 states to 12215 states and 17031 transitions. [2025-03-04 05:08:31,882 INFO L78 Accepts]: Start accepts. Automaton has 12215 states and 17031 transitions. Word has length 134 [2025-03-04 05:08:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:08:31,883 INFO L471 AbstractCegarLoop]: Abstraction has 12215 states and 17031 transitions. [2025-03-04 05:08:31,883 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) [2025-03-04 05:08:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 12215 states and 17031 transitions. [2025-03-04 05:08:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-04 05:08:31,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:08:31,886 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] [2025-03-04 05:08:31,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 05:08:31,887 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)] === [2025-03-04 05:08:31,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:08:31,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1314993167, now seen corresponding path program 1 times [2025-03-04 05:08:31,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:08:31,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232071077] [2025-03-04 05:08:31,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:08:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:08:34,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 05:08:34,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 05:08:34,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:08:34,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:08:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:08:35,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:08:35,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232071077] [2025-03-04 05:08:35,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232071077] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:08:35,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:08:35,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:08:35,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055011127] [2025-03-04 05:08:35,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:08:35,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:08:35,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:08:35,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:08:35,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:08:35,226 INFO L87 Difference]: Start difference. First operand 12215 states and 17031 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) [2025-03-04 05:08:39,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:08:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:08:42,691 INFO L93 Difference]: Finished difference Result 22960 states and 32004 transitions. [2025-03-04 05:08:42,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:08:42,692 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 [2025-03-04 05:08:42,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:08:42,807 INFO L225 Difference]: With dead ends: 22960 [2025-03-04 05:08:42,807 INFO L226 Difference]: Without dead ends: 10768 [2025-03-04 05:08:42,828 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 [2025-03-04 05:08:42,829 INFO L435 NwaCegarLoop]: 3101 mSDtfsCounter, 1823 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 5593 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2025-03-04 05:08:42,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 5593 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2025-03-04 05:08:42,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10768 states. [2025-03-04 05:08:43,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10768 to 10736. [2025-03-04 05:08:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10736 states, 7969 states have (on average 1.313715648136529) internal successors, (10469), 8082 states have internal predecessors, (10469), 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) [2025-03-04 05:08:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10736 states to 10736 states and 14884 transitions. [2025-03-04 05:08:43,085 INFO L78 Accepts]: Start accepts. Automaton has 10736 states and 14884 transitions. Word has length 134 [2025-03-04 05:08:43,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:08:43,086 INFO L471 AbstractCegarLoop]: Abstraction has 10736 states and 14884 transitions. [2025-03-04 05:08:43,086 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) [2025-03-04 05:08:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 10736 states and 14884 transitions. [2025-03-04 05:08:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-04 05:08:43,089 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:08:43,090 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] [2025-03-04 05:08:43,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 05:08:43,090 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)] === [2025-03-04 05:08:43,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:08:43,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1691817066, now seen corresponding path program 1 times [2025-03-04 05:08:43,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:08:43,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337051796] [2025-03-04 05:08:43,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:08:43,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:08:45,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 05:08:45,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 05:08:45,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:08:45,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:08:46,118 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-04 05:08:46,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:08:46,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337051796] [2025-03-04 05:08:46,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337051796] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:08:46,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:08:46,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:08:46,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264178596] [2025-03-04 05:08:46,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:08:46,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:08:46,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:08:46,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:08:46,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:08:46,121 INFO L87 Difference]: Start difference. First operand 10736 states and 14884 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) [2025-03-04 05:08:50,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:08:53,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:08:53,521 INFO L93 Difference]: Finished difference Result 29923 states and 41392 transitions. [2025-03-04 05:08:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:08:53,521 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 [2025-03-04 05:08:53,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:08:53,597 INFO L225 Difference]: With dead ends: 29923 [2025-03-04 05:08:53,597 INFO L226 Difference]: Without dead ends: 19210 [2025-03-04 05:08:53,629 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 [2025-03-04 05:08:53,630 INFO L435 NwaCegarLoop]: 3170 mSDtfsCounter, 2529 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2529 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2025-03-04 05:08:53,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2529 Valid, 5650 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2025-03-04 05:08:53,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19210 states. [2025-03-04 05:08:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19210 to 19171. [2025-03-04 05:08:54,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19171 states, 14275 states have (on average 1.308231173380035) internal successors, (18675), 14507 states have internal predecessors, (18675), 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) [2025-03-04 05:08:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19171 states to 19171 states and 26474 transitions. [2025-03-04 05:08:54,130 INFO L78 Accepts]: Start accepts. Automaton has 19171 states and 26474 transitions. Word has length 134 [2025-03-04 05:08:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:08:54,131 INFO L471 AbstractCegarLoop]: Abstraction has 19171 states and 26474 transitions. [2025-03-04 05:08:54,131 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) [2025-03-04 05:08:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19171 states and 26474 transitions. [2025-03-04 05:08:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-04 05:08:54,133 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:08:54,133 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] [2025-03-04 05:08:54,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 05:08:54,134 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)] === [2025-03-04 05:08:54,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:08:54,134 INFO L85 PathProgramCache]: Analyzing trace with hash 267336019, now seen corresponding path program 1 times [2025-03-04 05:08:54,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:08:54,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822199109] [2025-03-04 05:08:54,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:08:54,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 05:08:56,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-04 05:08:56,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-04 05:08:56,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 05:08:56,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 05:08:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2025-03-04 05:08:57,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 05:08:57,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822199109] [2025-03-04 05:08:57,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822199109] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 05:08:57,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 05:08:57,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 05:08:57,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664602209] [2025-03-04 05:08:57,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 05:08:57,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 05:08:57,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 05:08:57,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 05:08:57,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 05:08:57,237 INFO L87 Difference]: Start difference. First operand 19171 states and 26474 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) [2025-03-04 05:09:01,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 05:09:04,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 05:09:04,893 INFO L93 Difference]: Finished difference Result 56165 states and 77625 transitions. [2025-03-04 05:09:04,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 05:09:04,894 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 [2025-03-04 05:09:04,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 05:09:05,087 INFO L225 Difference]: With dead ends: 56165 [2025-03-04 05:09:05,087 INFO L226 Difference]: Without dead ends: 37017 [2025-03-04 05:09:05,261 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 [2025-03-04 05:09:05,262 INFO L435 NwaCegarLoop]: 3065 mSDtfsCounter, 2594 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 5611 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2025-03-04 05:09:05,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2594 Valid, 5611 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 216 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2025-03-04 05:09:05,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37017 states. [2025-03-04 05:09:06,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37017 to 36959. [2025-03-04 05:09:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36959 states, 27491 states have (on average 1.3080280819177186) internal successors, (35959), 27973 states have internal predecessors, (35959), 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) [2025-03-04 05:09:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36959 states to 36959 states and 51065 transitions. [2025-03-04 05:09:06,302 INFO L78 Accepts]: Start accepts. Automaton has 36959 states and 51065 transitions. Word has length 157 [2025-03-04 05:09:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 05:09:06,303 INFO L471 AbstractCegarLoop]: Abstraction has 36959 states and 51065 transitions. [2025-03-04 05:09:06,303 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) [2025-03-04 05:09:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36959 states and 51065 transitions. [2025-03-04 05:09:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-04 05:09:06,306 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 05:09:06,306 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] [2025-03-04 05:09:06,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 05:09:06,307 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)] === [2025-03-04 05:09:06,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 05:09:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash -775940384, now seen corresponding path program 1 times [2025-03-04 05:09:06,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 05:09:06,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484810092] [2025-03-04 05:09:06,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 05:09:06,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms