./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 20:19:25,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 20:19:25,568 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 20:19:25,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 20:19:25,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 20:19:25,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 20:19:25,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 20:19:25,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 20:19:25,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 20:19:25,593 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 20:19:25,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 20:19:25,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 20:19:25,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 20:19:25,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 20:19:25,594 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 20:19:25,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 20:19:25,595 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:19:25,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 20:19:25,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 20:19:25,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 20:19:25,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 20:19:25,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 20:19:25,596 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 [2025-03-08 20:19:25,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 20:19:25,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 20:19:25,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 20:19:25,839 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 20:19:25,839 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 20:19:25,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-03-08 20:19:27,043 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f5b6516/933cb1bd035f4781a4d84b3f7c148f59/FLAGef30daac6 [2025-03-08 20:19:27,557 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 20:19:27,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-03-08 20:19:27,602 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f5b6516/933cb1bd035f4781a4d84b3f7c148f59/FLAGef30daac6 [2025-03-08 20:19:27,630 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f5b6516/933cb1bd035f4781a4d84b3f7c148f59 [2025-03-08 20:19:27,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 20:19:27,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 20:19:27,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 20:19:27,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 20:19:27,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 20:19:27,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:19:27" (1/1) ... [2025-03-08 20:19:27,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d062cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:27, skipping insertion in model container [2025-03-08 20:19:27,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 08:19:27" (1/1) ... [2025-03-08 20:19:27,723 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 20:19:30,394 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] [2025-03-08 20:19:30,397 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] [2025-03-08 20:19:30,397 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] [2025-03-08 20:19:30,397 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] [2025-03-08 20:19:30,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:19:30,459 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 20:19:30,556 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] [2025-03-08 20:19:30,558 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] [2025-03-08 20:19:30,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5255] [2025-03-08 20:19:30,560 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] [2025-03-08 20:19:30,560 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] [2025-03-08 20:19:30,570 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] [2025-03-08 20:19:30,572 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] [2025-03-08 20:19:30,573 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] [2025-03-08 20:19:30,575 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] [2025-03-08 20:19:30,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7057] [2025-03-08 20:19:30,700 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] [2025-03-08 20:19:30,701 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] [2025-03-08 20:19:30,701 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] [2025-03-08 20:19:30,702 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] [2025-03-08 20:19:30,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 20:19:30,842 INFO L204 MainTranslator]: Completed translation [2025-03-08 20:19:30,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30 WrapperNode [2025-03-08 20:19:30,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 20:19:30,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 20:19:30,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 20:19:30,845 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 20:19:30,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:30,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,078 INFO L138 Inliner]: procedures = 434, calls = 1823, calls flagged for inlining = 216, calls inlined = 199, statements flattened = 4821 [2025-03-08 20:19:31,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 20:19:31,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 20:19:31,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 20:19:31,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 20:19:31,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,735 INFO L175 MemorySlicer]: Split 923 memory accesses to 16 slices as follows [7, 1, 3, 765, 2, 9, 10, 48, 8, 2, 7, 54, 3, 1, 2, 1]. 83 percent of accesses are in the largest equivalence class. The 70 initializations are split as follows [7, 1, 0, 19, 2, 8, 8, 18, 6, 0, 0, 0, 1, 0, 0, 0]. The 422 writes are split as follows [0, 0, 0, 343, 0, 0, 0, 30, 0, 1, 4, 42, 0, 0, 1, 1]. [2025-03-08 20:19:31,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,816 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 20:19:31,908 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 20:19:31,908 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 20:19:31,908 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 20:19:31,909 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (1/1) ... [2025-03-08 20:19:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 20:19:31,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 20:19:31,937 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) [2025-03-08 20:19:31,939 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 [2025-03-08 20:19:31,956 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2025-03-08 20:19:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2025-03-08 20:19:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2025-03-08 20:19:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2025-03-08 20:19:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-08 20:19:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-08 20:19:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 20:19:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 20:19:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2025-03-08 20:19:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2025-03-08 20:19:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 20:19:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 20:19:31,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 20:19:31,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:19:31,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2025-03-08 20:19:31,958 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2025-03-08 20:19:31,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2025-03-08 20:19:31,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2025-03-08 20:19:31,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2025-03-08 20:19:31,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2025-03-08 20:19:31,958 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2025-03-08 20:19:31,958 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 20:19:31,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2025-03-08 20:19:31,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 20:19:31,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2025-03-08 20:19:31,960 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-08 20:19:31,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2025-03-08 20:19:31,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 20:19:31,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2025-03-08 20:19:31,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2025-03-08 20:19:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2025-03-08 20:19:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2025-03-08 20:19:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2025-03-08 20:19:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2025-03-08 20:19:31,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2025-03-08 20:19:31,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2025-03-08 20:19:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2025-03-08 20:19:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2025-03-08 20:19:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2025-03-08 20:19:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2025-03-08 20:19:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:19:31,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2025-03-08 20:19:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 20:19:31,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2025-03-08 20:19:31,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2025-03-08 20:19:31,963 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2025-03-08 20:19:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2025-03-08 20:19:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 20:19:31,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 20:19:31,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 20:19:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2025-03-08 20:19:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:19:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2025-03-08 20:19:31,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2025-03-08 20:19:31,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2025-03-08 20:19:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2025-03-08 20:19:31,966 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-08 20:19:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-08 20:19:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2025-03-08 20:19:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2025-03-08 20:19:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 20:19:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2025-03-08 20:19:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2025-03-08 20:19:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2025-03-08 20:19:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2025-03-08 20:19:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 20:19:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 20:19:31,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 20:19:31,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2025-03-08 20:19:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 20:19:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2025-03-08 20:19:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2025-03-08 20:19:31,970 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2025-03-08 20:19:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 20:19:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2025-03-08 20:19:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2025-03-08 20:19:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2025-03-08 20:19:31,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 20:19:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 20:19:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2025-03-08 20:19:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2025-03-08 20:19:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2025-03-08 20:19:31,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2025-03-08 20:19:32,668 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 20:19:32,670 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 20:19:32,796 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 20:19:32,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10078-1: ldv_del_timer_sync_85_#res#1 := ldv_del_timer_sync_85_~ldv_func_res~4#1; [2025-03-08 20:19:32,869 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10063-1: ldv_del_timer_sync_84_#res#1 := ldv_del_timer_sync_84_~ldv_func_res~3#1; [2025-03-08 20:19:32,901 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5257-1: test_and_clear_bit_#res#1 := 1; [2025-03-08 20:19:32,901 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12195: havoc netpoll_trap_#t~nondet1077#1; [2025-03-08 20:19:32,969 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12136: havoc #t~nondet1069; [2025-03-08 20:19:33,047 INFO L1307 $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; [2025-03-08 20:19:33,070 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5263: havoc constant_test_bit_#t~mem0#1;havoc constant_test_bit_#t~bitwise1#1; [2025-03-08 20:19:33,078 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12239: havoc #t~nondet1087; [2025-03-08 20:19:33,149 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12119: havoc #t~nondet1067; [2025-03-08 20:19:33,212 INFO L1307 $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; [2025-03-08 20:19:33,212 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12073: havoc crc32_le_#t~nondet1060#1; [2025-03-08 20:19:33,212 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12066: havoc bitrev32_#t~nondet1059#1; [2025-03-08 20:19:33,356 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12222: havoc #t~nondet1081; [2025-03-08 20:19:33,361 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8348: #res#1 := ~arg0#1; [2025-03-08 20:19:33,367 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5787: havoc #t~mem179.base, #t~mem179.offset; [2025-03-08 20:19:33,390 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5487: havoc #t~mem93.base, #t~mem93.offset; [2025-03-08 20:19:33,582 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9938-1: ldv_request_irq_65_#res#1 := ldv_request_irq_65_~ldv_func_res~2#1; [2025-03-08 20:19:33,582 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9511-1: ldv_request_irq_#res#1 := ldv_request_irq_~arg0#1; [2025-03-08 20:19:33,582 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12230: havoc request_threaded_irq_#t~nondet1083#1; [2025-03-08 20:19:33,582 INFO L1307 $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; [2025-03-08 20:19:33,612 INFO L1307 $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; [2025-03-08 20:19:33,616 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12041: havoc #t~nondet1057; [2025-03-08 20:19:33,664 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12034: havoc #t~nondet1056; [2025-03-08 20:19:33,669 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12095: havoc #t~nondet1061; [2025-03-08 20:19:33,761 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5310: havoc arch_irqs_disabled_flags_#t~bitwise19#1; [2025-03-08 20:19:33,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12187: havoc mii_nway_restart_#t~nondet1075#1; [2025-03-08 20:19:43,685 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12191: havoc netif_rx_#t~nondet1076#1; [2025-03-08 20:19:43,686 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12062: havoc alloc_etherdev_mqs_#t~ret1058#1.base, alloc_etherdev_mqs_#t~ret1058#1.offset; [2025-03-08 20:19:43,686 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12129: havoc generic_mii_ioctl_#t~nondet1068#1; [2025-03-08 20:19:43,686 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12199: havoc pci_enable_device_#t~nondet1078#1; [2025-03-08 20:19:43,686 INFO L1307 $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; [2025-03-08 20:19:43,686 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12202: havoc pci_iomap_#t~ret1079#1.base, pci_iomap_#t~ret1079#1.offset; [2025-03-08 20:19:43,687 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9890-1: ldv_register_netdev_61_#res#1 := ldv_register_netdev_61_~ldv_func_res~1#1; [2025-03-08 20:19:43,687 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12140: havoc ioread8_#t~nondet1070#1; [2025-03-08 20:19:43,687 INFO L1307 $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; [2025-03-08 20:19:43,687 INFO L1307 $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; [2025-03-08 20:19:43,687 INFO L1307 $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; [2025-03-08 20:19:43,688 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12212: havoc pci_request_regions_#t~nondet1080#1; [2025-03-08 20:19:43,688 INFO L1307 $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; [2025-03-08 20:19:43,688 INFO L1307 $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; [2025-03-08 20:19:43,688 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10105-1: ldv___pci_register_driver_87_#res#1 := ldv___pci_register_driver_87_~ldv_func_res~5#1; [2025-03-08 20:19:43,688 INFO L1307 $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; [2025-03-08 20:19:43,688 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5417: havoc kobject_name_#t~mem36#1.base, kobject_name_#t~mem36#1.offset; [2025-03-08 20:19:43,688 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12226: havoc register_netdev_#t~nondet1082#1; [2025-03-08 20:19:43,688 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12030: havoc __pci_register_driver_#t~nondet1055#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12165: havoc ldv_pre_register_netdev_#t~nondet1071#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12099: havoc dev_err_#t~nondet1062#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12103: havoc dev_warn_#t~nondet1063#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5431: havoc dev_name_#t~mem49#1.base, dev_name_#t~mem49#1.offset; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12107: havoc eth_change_mtu_#t~nondet1064#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12175: havoc mii_ethtool_gset_#t~nondet1072#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9467-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9468-1: ldv_register_netdev_#res#1 := ldv_register_netdev_~arg0#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12111: havoc eth_mac_addr_#t~nondet1065#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12179: havoc mii_ethtool_sset_#t~nondet1073#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12115: havoc eth_type_trans_#t~nondet1066#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L12183: havoc mii_link_ok_#t~nondet1074#1; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-03-08 20:19:43,689 INFO L1307 $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; [2025-03-08 20:19:43,689 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8292-1: ldv___pci_register_driver_#res#1 := ldv___pci_register_driver_~arg0#1; [2025-03-08 20:19:44,367 INFO L? ?]: Removed 2353 outVars from TransFormulas that were not future-live. [2025-03-08 20:19:44,367 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 20:19:44,429 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 20:19:44,431 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 20:19:44,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:19:44 BoogieIcfgContainer [2025-03-08 20:19:44,431 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 20:19:44,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 20:19:44,433 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 20:19:44,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 20:19:44,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 08:19:27" (1/3) ... [2025-03-08 20:19:44,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175ba21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:19:44, skipping insertion in model container [2025-03-08 20:19:44,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 08:19:30" (2/3) ... [2025-03-08 20:19:44,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175ba21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 08:19:44, skipping insertion in model container [2025-03-08 20:19:44,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 08:19:44" (3/3) ... [2025-03-08 20:19:44,438 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2025-03-08 20:19:44,449 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 20:19:44,452 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. [2025-03-08 20:19:44,530 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 20:19:44,541 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;@4e38c964, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 20:19:44,542 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-03-08 20:19:44,548 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) [2025-03-08 20:19:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-08 20:19:44,558 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:19:44,560 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] [2025-03-08 20:19:44,561 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)] === [2025-03-08 20:19:44,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:19:44,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1464999207, now seen corresponding path program 1 times [2025-03-08 20:19:44,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:19:44,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748731723] [2025-03-08 20:19:44,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:19:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:19:47,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-08 20:19:48,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-08 20:19:48,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:19:48,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:19:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:19:48,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:19:48,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748731723] [2025-03-08 20:19:48,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748731723] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:19:48,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:19:48,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:19:48,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360701884] [2025-03-08 20:19:48,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:19:48,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:19:48,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:19:48,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:19:48,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:19:48,849 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) [2025-03-08 20:19:52,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:19:55,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:19:55,719 INFO L93 Difference]: Finished difference Result 5572 states and 8051 transitions. [2025-03-08 20:19:55,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:19:55,721 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 [2025-03-08 20:19:55,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:19:55,762 INFO L225 Difference]: With dead ends: 5572 [2025-03-08 20:19:55,762 INFO L226 Difference]: Without dead ends: 3680 [2025-03-08 20:19:55,776 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 [2025-03-08 20:19:55,778 INFO L435 NwaCegarLoop]: 2596 mSDtfsCounter, 2536 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s 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, 6.6s IncrementalHoareTripleChecker+Time [2025-03-08 20:19:55,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 5119 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2025-03-08 20:19:55,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2025-03-08 20:19:55,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3676. [2025-03-08 20:19:55,963 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) [2025-03-08 20:19:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 5149 transitions. [2025-03-08 20:19:55,997 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 5149 transitions. Word has length 127 [2025-03-08 20:19:56,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:19:56,000 INFO L471 AbstractCegarLoop]: Abstraction has 3676 states and 5149 transitions. [2025-03-08 20:19:56,001 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) [2025-03-08 20:19:56,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 5149 transitions. [2025-03-08 20:19:56,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-03-08 20:19:56,007 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:19:56,007 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] [2025-03-08 20:19:56,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 20:19:56,009 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)] === [2025-03-08 20:19:56,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:19:56,010 INFO L85 PathProgramCache]: Analyzing trace with hash 967928535, now seen corresponding path program 1 times [2025-03-08 20:19:56,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:19:56,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938326213] [2025-03-08 20:19:56,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:19:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:19:58,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-03-08 20:19:58,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-03-08 20:19:58,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:19:58,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:19:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:19:59,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:19:59,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938326213] [2025-03-08 20:19:59,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938326213] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:19:59,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:19:59,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:19:59,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631686593] [2025-03-08 20:19:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:19:59,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:19:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:19:59,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:19:59,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:19:59,342 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) [2025-03-08 20:20:03,372 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 [] [2025-03-08 20:20:06,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:06,233 INFO L93 Difference]: Finished difference Result 10252 states and 14307 transitions. [2025-03-08 20:20:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:06,234 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 [2025-03-08 20:20:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:06,269 INFO L225 Difference]: With dead ends: 10252 [2025-03-08 20:20:06,270 INFO L226 Difference]: Without dead ends: 6599 [2025-03-08 20:20:06,285 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 [2025-03-08 20:20:06,286 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 [2025-03-08 20:20:06,286 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] [2025-03-08 20:20:06,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6599 states. [2025-03-08 20:20:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6599 to 6569. [2025-03-08 20:20:06,462 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) [2025-03-08 20:20:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6569 states to 6569 states and 9143 transitions. [2025-03-08 20:20:06,489 INFO L78 Accepts]: Start accepts. Automaton has 6569 states and 9143 transitions. Word has length 129 [2025-03-08 20:20:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:06,490 INFO L471 AbstractCegarLoop]: Abstraction has 6569 states and 9143 transitions. [2025-03-08 20:20:06,490 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) [2025-03-08 20:20:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6569 states and 9143 transitions. [2025-03-08 20:20:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 20:20:06,492 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:06,493 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] [2025-03-08 20:20:06,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 20:20:06,493 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)] === [2025-03-08 20:20:06,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:06,493 INFO L85 PathProgramCache]: Analyzing trace with hash -2101088778, now seen corresponding path program 1 times [2025-03-08 20:20:06,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:06,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139825895] [2025-03-08 20:20:06,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:09,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 20:20:09,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 20:20:09,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:09,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:20:09,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:09,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139825895] [2025-03-08 20:20:09,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139825895] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:09,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:09,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:09,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610209208] [2025-03-08 20:20:09,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:09,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:09,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:09,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:09,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:09,855 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) [2025-03-08 20:20:13,886 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 [] [2025-03-08 20:20:17,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:17,246 INFO L93 Difference]: Finished difference Result 18793 states and 26203 transitions. [2025-03-08 20:20:17,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:17,247 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 [2025-03-08 20:20:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:17,324 INFO L225 Difference]: With dead ends: 18793 [2025-03-08 20:20:17,324 INFO L226 Difference]: Without dead ends: 12247 [2025-03-08 20:20:17,346 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 [2025-03-08 20:20:17,349 INFO L435 NwaCegarLoop]: 2575 mSDtfsCounter, 2318 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s 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, 7.2s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:17,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 5060 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 242 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2025-03-08 20:20:17,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12247 states. [2025-03-08 20:20:17,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12247 to 12215. [2025-03-08 20:20:17,686 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) [2025-03-08 20:20:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12215 states to 12215 states and 17031 transitions. [2025-03-08 20:20:17,741 INFO L78 Accepts]: Start accepts. Automaton has 12215 states and 17031 transitions. Word has length 134 [2025-03-08 20:20:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:17,742 INFO L471 AbstractCegarLoop]: Abstraction has 12215 states and 17031 transitions. [2025-03-08 20:20:17,742 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) [2025-03-08 20:20:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 12215 states and 17031 transitions. [2025-03-08 20:20:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 20:20:17,745 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:17,745 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] [2025-03-08 20:20:17,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 20:20:17,746 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)] === [2025-03-08 20:20:17,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:17,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1314993167, now seen corresponding path program 1 times [2025-03-08 20:20:17,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:17,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396531423] [2025-03-08 20:20:17,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:17,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:20,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 20:20:20,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 20:20:20,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:20,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:20:21,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:21,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396531423] [2025-03-08 20:20:21,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396531423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:21,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:21,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:21,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147167191] [2025-03-08 20:20:21,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:21,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:21,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:21,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:21,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:21,417 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) [2025-03-08 20:20:25,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 20:20:29,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:29,141 INFO L93 Difference]: Finished difference Result 22960 states and 32004 transitions. [2025-03-08 20:20:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:29,141 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 [2025-03-08 20:20:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:29,191 INFO L225 Difference]: With dead ends: 22960 [2025-03-08 20:20:29,191 INFO L226 Difference]: Without dead ends: 10768 [2025-03-08 20:20:29,224 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 [2025-03-08 20:20:29,224 INFO L435 NwaCegarLoop]: 3101 mSDtfsCounter, 1823 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 7.5s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:29,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 5593 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 7.5s Time] [2025-03-08 20:20:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10768 states. [2025-03-08 20:20:29,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10768 to 10736. [2025-03-08 20:20:29,532 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) [2025-03-08 20:20:29,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10736 states to 10736 states and 14884 transitions. [2025-03-08 20:20:29,569 INFO L78 Accepts]: Start accepts. Automaton has 10736 states and 14884 transitions. Word has length 134 [2025-03-08 20:20:29,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:29,569 INFO L471 AbstractCegarLoop]: Abstraction has 10736 states and 14884 transitions. [2025-03-08 20:20:29,570 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) [2025-03-08 20:20:29,570 INFO L276 IsEmpty]: Start isEmpty. Operand 10736 states and 14884 transitions. [2025-03-08 20:20:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 20:20:29,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:29,571 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] [2025-03-08 20:20:29,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 20:20:29,572 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)] === [2025-03-08 20:20:29,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1691817066, now seen corresponding path program 1 times [2025-03-08 20:20:29,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:29,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689151731] [2025-03-08 20:20:29,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:29,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:32,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 20:20:32,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 20:20:32,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:32,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2025-03-08 20:20:33,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:33,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689151731] [2025-03-08 20:20:33,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689151731] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:33,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:33,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:33,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483323579] [2025-03-08 20:20:33,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:33,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:33,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:33,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:33,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:33,033 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) [2025-03-08 20:20:37,062 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 [] [2025-03-08 20:20:40,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:40,291 INFO L93 Difference]: Finished difference Result 29923 states and 41392 transitions. [2025-03-08 20:20:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:40,292 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 [2025-03-08 20:20:40,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:40,364 INFO L225 Difference]: With dead ends: 29923 [2025-03-08 20:20:40,364 INFO L226 Difference]: Without dead ends: 19210 [2025-03-08 20:20:40,395 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 [2025-03-08 20:20:40,396 INFO L435 NwaCegarLoop]: 3170 mSDtfsCounter, 2529 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s 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, 7.0s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:40,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2529 Valid, 5650 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2025-03-08 20:20:40,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19210 states. [2025-03-08 20:20:40,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19210 to 19171. [2025-03-08 20:20:40,828 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) [2025-03-08 20:20:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19171 states to 19171 states and 26474 transitions. [2025-03-08 20:20:40,889 INFO L78 Accepts]: Start accepts. Automaton has 19171 states and 26474 transitions. Word has length 134 [2025-03-08 20:20:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 20:20:40,889 INFO L471 AbstractCegarLoop]: Abstraction has 19171 states and 26474 transitions. [2025-03-08 20:20:40,889 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) [2025-03-08 20:20:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 19171 states and 26474 transitions. [2025-03-08 20:20:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2025-03-08 20:20:40,893 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 20:20:40,893 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] [2025-03-08 20:20:40,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 20:20:40,894 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)] === [2025-03-08 20:20:40,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 20:20:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash 267336019, now seen corresponding path program 1 times [2025-03-08 20:20:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 20:20:40,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425038709] [2025-03-08 20:20:40,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 20:20:40,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 20:20:43,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-03-08 20:20:43,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-03-08 20:20:43,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 20:20:43,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 20:20:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2025-03-08 20:20:44,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 20:20:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425038709] [2025-03-08 20:20:44,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425038709] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 20:20:44,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 20:20:44,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 20:20:44,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142657105] [2025-03-08 20:20:44,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 20:20:44,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 20:20:44,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 20:20:44,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 20:20:44,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 20:20:44,303 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) [2025-03-08 20:20:48,336 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 [] [2025-03-08 20:20:52,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 20:20:52,188 INFO L93 Difference]: Finished difference Result 56165 states and 77625 transitions. [2025-03-08 20:20:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 20:20:52,189 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 [2025-03-08 20:20:52,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 20:20:52,335 INFO L225 Difference]: With dead ends: 56165 [2025-03-08 20:20:52,336 INFO L226 Difference]: Without dead ends: 37017 [2025-03-08 20:20:52,385 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 [2025-03-08 20:20:52,387 INFO L435 NwaCegarLoop]: 3065 mSDtfsCounter, 2594 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s 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, 7.2s IncrementalHoareTripleChecker+Time [2025-03-08 20:20:52,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2594 Valid, 5611 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 216 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2025-03-08 20:20:52,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37017 states.