./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /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 --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /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 -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 0.2.5-dev-4a390ef-m [2024-10-24 14:13:56,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:13:57,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:13:57,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:13:57,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:13:57,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:13:57,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:13:57,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:13:57,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:13:57,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:13:57,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:13:57,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:13:57,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:13:57,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:13:57,047 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:13:57,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:13:57,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:13:57,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:13:57,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:13:57,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:13:57,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:13:57,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:13:57,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:13:57,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:13:57,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:13:57,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:13:57,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:13:57,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:13:57,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:13:57,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:13:57,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:13:57,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:13:57,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:13:57,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:13:57,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:13:57,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:13:57,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:13:57,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:13:57,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:13:57,055 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d612e3d3aaa54cbaaae78896c02f6ca9c3968df93584b0bde88897a60cfa04a [2024-10-24 14:13:57,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:13:57,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:13:57,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:13:57,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:13:57,276 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:13:57,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /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 [2024-10-24 14:13:58,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:13:58,859 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:13:58,860 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 [2024-10-24 14:13:58,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9e1afb5/63ed6a20ef8a4cc6bcb819e44ab0f230/FLAG4f3f2d673 [2024-10-24 14:13:59,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9e1afb5/63ed6a20ef8a4cc6bcb819e44ab0f230 [2024-10-24 14:13:59,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:13:59,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:13:59,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:13:59,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:13:59,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:13:59,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:13:59" (1/1) ... [2024-10-24 14:13:59,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7552961b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:13:59, skipping insertion in model container [2024-10-24 14:13:59,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:13:59" (1/1) ... [2024-10-24 14:13:59,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:14:00,639 WARN L248 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] [2024-10-24 14:14:00,642 WARN L248 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] [2024-10-24 14:14:00,646 WARN L248 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] [2024-10-24 14:14:00,647 WARN L248 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] [2024-10-24 14:14:00,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:14:00,708 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:14:00,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5241] [2024-10-24 14:14:00,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5248] [2024-10-24 14:14:00,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5255] [2024-10-24 14:14:00,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5294-5295] [2024-10-24 14:14:00,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5300-5302] [2024-10-24 14:14:00,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5511-5512] [2024-10-24 14:14:00,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5545-5546] [2024-10-24 14:14:00,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5582-5583] [2024-10-24 14:14:00,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5619-5620] [2024-10-24 14:14:00,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7057] [2024-10-24 14:14:00,933 WARN L248 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] [2024-10-24 14:14:00,934 WARN L248 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] [2024-10-24 14:14:00,934 WARN L248 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] [2024-10-24 14:14:00,935 WARN L248 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] [2024-10-24 14:14:00,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:14:01,104 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:14:01,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01 WrapperNode [2024-10-24 14:14:01,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:14:01,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:14:01,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:14:01,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:14:01,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:01,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:01,313 INFO L138 Inliner]: procedures = 434, calls = 1831, calls flagged for inlining = 216, calls inlined = 199, statements flattened = 4873 [2024-10-24 14:14:01,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:14:01,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:14:01,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:14:01,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:14:01,324 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:01,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:01,353 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:01,949 INFO L175 MemorySlicer]: Split 925 memory accesses to 16 slices as follows [7, 7, 1, 769, 2, 9, 3, 10, 8, 1, 52, 3, 48, 1, 2, 2]. 83 percent of accesses are in the largest equivalence class. The 273 initializations are split as follows [0, 7, 1, 152, 2, 8, 0, 8, 6, 0, 40, 1, 48, 0, 0, 0]. The 221 writes are split as follows [4, 0, 0, 214, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1]. [2024-10-24 14:14:01,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:01,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:02,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:02,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:02,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:02,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:02,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:14:02,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:14:02,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:14:02,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:14:02,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (1/1) ... [2024-10-24 14:14:02,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:14:02,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:14:02,156 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) [2024-10-24 14:14:02,157 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 [2024-10-24 14:14:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure getlinkstatus [2024-10-24 14:14:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinkstatus [2024-10-24 14:14:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2024-10-24 14:14:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2024-10-24 14:14:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-24 14:14:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-24 14:14:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:14:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:14:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2024-10-24 14:14:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2024-10-24 14:14:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-24 14:14:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-24 14:14:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:14:02,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_79 [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_79 [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2024-10-24 14:14:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-10-24 14:14:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_tx_timeout [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_tx_timeout [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure getlinktype [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getlinktype [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:14:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2024-10-24 14:14:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2024-10-24 14:14:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-24 14:14:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-24 14:14:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 14:14:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 14:14:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 14:14:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 14:14:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 14:14:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 14:14:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 14:14:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 14:14:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 14:14:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rx_descriptors [2024-10-24 14:14:02,203 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rx_descriptors [2024-10-24 14:14:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-24 14:14:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-24 14:14:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure fealnx_remove_one [2024-10-24 14:14:02,204 INFO L138 BoogieDeclarations]: Found implementation of procedure fealnx_remove_one [2024-10-24 14:14:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 14:14:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 14:14:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 14:14:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 14:14:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-24 14:14:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-10-24 14:14:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:14:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:14:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:14:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:14:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:14:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:14:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:14:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:14:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-10-24 14:14:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-10-24 14:14:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2024-10-24 14:14:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-24 14:14:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-24 14:14:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-24 14:14:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-24 14:14:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:14:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-24 14:14:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2024-10-24 14:14:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2024-10-24 14:14:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-24 14:14:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-24 14:14:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:14:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:14:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:14:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-24 14:14:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-10-24 14:14:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-24 14:14:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-24 14:14:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-24 14:14:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-24 14:14:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-24 14:14:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-24 14:14:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-24 14:14:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-24 14:14:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rx [2024-10-24 14:14:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rx [2024-10-24 14:14:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2024-10-24 14:14:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2024-10-24 14:14:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:14:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:14:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 14:14:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 14:14:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 14:14:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 14:14:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 14:14:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 14:14:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 14:14:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 14:14:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 14:14:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 14:14:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:14:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2024-10-24 14:14:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:14:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2024-10-24 14:14:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2024-10-24 14:14:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2024-10-24 14:14:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure enable_rxtx [2024-10-24 14:14:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_rxtx [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2024-10-24 14:14:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 14:14:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-24 14:14:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 14:14:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 14:14:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 14:14:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 14:14:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 14:14:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 14:14:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-24 14:14:02,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-24 14:14:02,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-24 14:14:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-24 14:14:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-24 14:14:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_78 [2024-10-24 14:14:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_78 [2024-10-24 14:14:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-24 14:14:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-24 14:14:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2024-10-24 14:14:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2024-10-24 14:14:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:14:02,223 INFO L130 BoogieDeclarations]: Found specification of procedure reset_and_disable_rxtx [2024-10-24 14:14:02,223 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_and_disable_rxtx [2024-10-24 14:14:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2024-10-24 14:14:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2024-10-24 14:14:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:14:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:14:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-24 14:14:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:14:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:14:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:14:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-10-24 14:14:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2024-10-24 14:14:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-24 14:14:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-24 14:14:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2024-10-24 14:14:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2024-10-24 14:14:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-10-24 14:14:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-10-24 14:14:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-24 14:14:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-24 14:14:02,231 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-10-24 14:14:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure stop_nic_rxtx [2024-10-24 14:14:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_nic_rxtx [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure m80x_send_cmd_to_phy [2024-10-24 14:14:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure m80x_send_cmd_to_phy [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:14:02,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 14:14:02,233 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffers [2024-10-24 14:14:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffers [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:14:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-24 14:14:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2024-10-24 14:14:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-10-24 14:14:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:14:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 14:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 14:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 14:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 14:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-24 14:14:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-24 14:14:02,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-10-24 14:14:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fealnx_exit_14_2 [2024-10-24 14:14:02,835 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:14:02,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:14:02,969 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:14:05,152 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-24 14:14:05,856 INFO L? ?]: Removed 2359 outVars from TransFormulas that were not future-live. [2024-10-24 14:14:05,857 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:14:06,185 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:14:06,186 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 14:14:06,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:14:06 BoogieIcfgContainer [2024-10-24 14:14:06,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:14:06,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:14:06,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:14:06,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:14:06,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:13:59" (1/3) ... [2024-10-24 14:14:06,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1c4315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:14:06, skipping insertion in model container [2024-10-24 14:14:06,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:14:01" (2/3) ... [2024-10-24 14:14:06,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1c4315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:14:06, skipping insertion in model container [2024-10-24 14:14:06,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:14:06" (3/3) ... [2024-10-24 14:14:06,193 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-fealnx.cil.i [2024-10-24 14:14:06,207 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:14:06,207 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-24 14:14:06,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:14:06,303 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;@70e6a35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:14:06,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-24 14:14:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 1612 states, 1114 states have (on average 1.4201077199281866) internal successors, (1582), 1132 states have internal predecessors, (1582), 412 states have call successors, (412), 84 states have call predecessors, (412), 83 states have return successors, (406), 403 states have call predecessors, (406), 406 states have call successors, (406) [2024-10-24 14:14:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-24 14:14:06,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:06,335 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:06,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:06,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:06,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1746375034, now seen corresponding path program 1 times [2024-10-24 14:14:06,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:06,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559473677] [2024-10-24 14:14:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:06,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:06,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:07,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:07,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:07,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 14:14:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-24 14:14:07,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:07,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559473677] [2024-10-24 14:14:07,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559473677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:07,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:07,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:07,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493420461] [2024-10-24 14:14:07,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:07,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:07,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:07,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:07,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:07,072 INFO L87 Difference]: Start difference. First operand has 1612 states, 1114 states have (on average 1.4201077199281866) internal successors, (1582), 1132 states have internal predecessors, (1582), 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 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:14:11,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:11,128 INFO L93 Difference]: Finished difference Result 4801 states and 7347 transitions. [2024-10-24 14:14:11,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:11,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 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 111 [2024-10-24 14:14:11,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:11,161 INFO L225 Difference]: With dead ends: 4801 [2024-10-24 14:14:11,162 INFO L226 Difference]: Without dead ends: 3198 [2024-10-24 14:14:11,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:11,176 INFO L432 NwaCegarLoop]: 1420 mSDtfsCounter, 3204 mSDsluCounter, 2007 mSDsCounter, 0 mSdLazyCounter, 2550 mSolverCounterSat, 1104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3567 SdHoareTripleChecker+Valid, 3427 SdHoareTripleChecker+Invalid, 3654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 2550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:11,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3567 Valid, 3427 Invalid, 3654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1104 Valid, 2550 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-24 14:14:11,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2024-10-24 14:14:11,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 3112. [2024-10-24 14:14:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3112 states, 2178 states have (on average 1.4008264462809918) internal successors, (3051), 2213 states have internal predecessors, (3051), 769 states have call successors, (769), 163 states have call predecessors, (769), 162 states have return successors, (765), 759 states have call predecessors, (765), 765 states have call successors, (765) [2024-10-24 14:14:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 3112 states and 4585 transitions. [2024-10-24 14:14:11,421 INFO L78 Accepts]: Start accepts. Automaton has 3112 states and 4585 transitions. Word has length 111 [2024-10-24 14:14:11,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:11,422 INFO L471 AbstractCegarLoop]: Abstraction has 3112 states and 4585 transitions. [2024-10-24 14:14:11,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:14:11,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 4585 transitions. [2024-10-24 14:14:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-24 14:14:11,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:11,426 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:11,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:14:11,426 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:11,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:11,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1145724441, now seen corresponding path program 1 times [2024-10-24 14:14:11,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:11,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456489428] [2024-10-24 14:14:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:11,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 14:14:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:14:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-24 14:14:11,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:11,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456489428] [2024-10-24 14:14:11,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456489428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:11,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:11,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:11,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445085770] [2024-10-24 14:14:11,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:11,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:11,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:11,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:11,767 INFO L87 Difference]: Start difference. First operand 3112 states and 4585 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:15,263 INFO L93 Difference]: Finished difference Result 8818 states and 12984 transitions. [2024-10-24 14:14:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:15,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (15), 3 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 113 [2024-10-24 14:14:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:15,295 INFO L225 Difference]: With dead ends: 8818 [2024-10-24 14:14:15,295 INFO L226 Difference]: Without dead ends: 5725 [2024-10-24 14:14:15,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:15,308 INFO L432 NwaCegarLoop]: 1507 mSDtfsCounter, 2734 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 2576 mSolverCounterSat, 1064 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3044 SdHoareTripleChecker+Valid, 3596 SdHoareTripleChecker+Invalid, 3640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1064 IncrementalHoareTripleChecker+Valid, 2576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:15,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3044 Valid, 3596 Invalid, 3640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1064 Valid, 2576 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-24 14:14:15,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5725 states. [2024-10-24 14:14:15,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5725 to 5551. [2024-10-24 14:14:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 3842 states have (on average 1.3880791254554918) internal successors, (5333), 3910 states have internal predecessors, (5333), 1385 states have call successors, (1385), 316 states have call predecessors, (1385), 321 states have return successors, (1413), 1360 states have call predecessors, (1413), 1381 states have call successors, (1413) [2024-10-24 14:14:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 8131 transitions. [2024-10-24 14:14:15,502 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 8131 transitions. Word has length 113 [2024-10-24 14:14:15,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:15,503 INFO L471 AbstractCegarLoop]: Abstraction has 5551 states and 8131 transitions. [2024-10-24 14:14:15,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 8131 transitions. [2024-10-24 14:14:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 14:14:15,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:15,509 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:14:15,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:14:15,510 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:15,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:15,510 INFO L85 PathProgramCache]: Analyzing trace with hash -191349338, now seen corresponding path program 1 times [2024-10-24 14:14:15,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:15,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122604123] [2024-10-24 14:14:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 14:14:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-24 14:14:15,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:15,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122604123] [2024-10-24 14:14:15,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122604123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:15,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:15,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:15,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488226583] [2024-10-24 14:14:15,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:15,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:15,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:15,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:15,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:15,811 INFO L87 Difference]: Start difference. First operand 5551 states and 8131 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:14:18,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:18,865 INFO L93 Difference]: Finished difference Result 11235 states and 16471 transitions. [2024-10-24 14:14:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:18,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 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 117 [2024-10-24 14:14:18,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:18,894 INFO L225 Difference]: With dead ends: 11235 [2024-10-24 14:14:18,894 INFO L226 Difference]: Without dead ends: 5703 [2024-10-24 14:14:18,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:18,912 INFO L432 NwaCegarLoop]: 1453 mSDtfsCounter, 2511 mSDsluCounter, 1983 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2802 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 3538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 868 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:18,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2802 Valid, 3436 Invalid, 3538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [868 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 14:14:18,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5703 states. [2024-10-24 14:14:19,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5703 to 5498. [2024-10-24 14:14:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5498 states, 3824 states have (on average 1.3865062761506277) internal successors, (5302), 3883 states have internal predecessors, (5302), 1337 states have call successors, (1337), 334 states have call predecessors, (1337), 334 states have return successors, (1349), 1311 states have call predecessors, (1349), 1333 states have call successors, (1349) [2024-10-24 14:14:19,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7988 transitions. [2024-10-24 14:14:19,185 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7988 transitions. Word has length 117 [2024-10-24 14:14:19,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:19,186 INFO L471 AbstractCegarLoop]: Abstraction has 5498 states and 7988 transitions. [2024-10-24 14:14:19,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:14:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7988 transitions. [2024-10-24 14:14:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-24 14:14:19,187 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:19,188 INFO L215 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:14:19,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:14:19,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:19,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1320364871, now seen corresponding path program 1 times [2024-10-24 14:14:19,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:19,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942588236] [2024-10-24 14:14:19,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:19,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 14:14:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-24 14:14:19,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:19,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942588236] [2024-10-24 14:14:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942588236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:19,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:19,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:19,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918433811] [2024-10-24 14:14:19,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:19,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:19,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:19,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:19,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:19,469 INFO L87 Difference]: Start difference. First operand 5498 states and 7988 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:14:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:22,470 INFO L93 Difference]: Finished difference Result 15067 states and 21943 transitions. [2024-10-24 14:14:22,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:22,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 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 117 [2024-10-24 14:14:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:22,512 INFO L225 Difference]: With dead ends: 15067 [2024-10-24 14:14:22,513 INFO L226 Difference]: Without dead ends: 9588 [2024-10-24 14:14:22,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:22,526 INFO L432 NwaCegarLoop]: 1410 mSDtfsCounter, 3001 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 1128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 3402 SdHoareTripleChecker+Invalid, 3662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1128 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:22,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 3402 Invalid, 3662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1128 Valid, 2534 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-24 14:14:22,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9588 states. [2024-10-24 14:14:22,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9588 to 9238. [2024-10-24 14:14:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9238 states, 6465 states have (on average 1.3866976024748647) internal successors, (8965), 6571 states have internal predecessors, (8965), 2199 states have call successors, (2199), 572 states have call predecessors, (2199), 571 states have return successors, (2227), 2144 states have call predecessors, (2227), 2195 states have call successors, (2227) [2024-10-24 14:14:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9238 states to 9238 states and 13391 transitions. [2024-10-24 14:14:22,818 INFO L78 Accepts]: Start accepts. Automaton has 9238 states and 13391 transitions. Word has length 117 [2024-10-24 14:14:22,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:22,818 INFO L471 AbstractCegarLoop]: Abstraction has 9238 states and 13391 transitions. [2024-10-24 14:14:22,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-24 14:14:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 9238 states and 13391 transitions. [2024-10-24 14:14:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-24 14:14:22,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:22,820 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:22,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:14:22,820 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:22,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:22,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1275450774, now seen corresponding path program 1 times [2024-10-24 14:14:22,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:22,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139266988] [2024-10-24 14:14:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:22,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:22,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 14:14:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 14:14:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-10-24 14:14:23,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:23,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139266988] [2024-10-24 14:14:23,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139266988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:23,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:23,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:23,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539960743] [2024-10-24 14:14:23,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:23,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:23,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:23,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:23,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:23,034 INFO L87 Difference]: Start difference. First operand 9238 states and 13391 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:26,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:26,134 INFO L93 Difference]: Finished difference Result 26183 states and 38022 transitions. [2024-10-24 14:14:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:26,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 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 118 [2024-10-24 14:14:26,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:26,202 INFO L225 Difference]: With dead ends: 26183 [2024-10-24 14:14:26,202 INFO L226 Difference]: Without dead ends: 16964 [2024-10-24 14:14:26,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:26,232 INFO L432 NwaCegarLoop]: 1545 mSDtfsCounter, 2769 mSDsluCounter, 2077 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 997 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3106 SdHoareTripleChecker+Valid, 3622 SdHoareTripleChecker+Invalid, 3952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 997 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:26,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3106 Valid, 3622 Invalid, 3952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [997 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-24 14:14:26,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16964 states. [2024-10-24 14:14:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16964 to 16356. [2024-10-24 14:14:26,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16356 states, 11452 states have (on average 1.3842123646524624) internal successors, (15852), 11668 states have internal predecessors, (15852), 3877 states have call successors, (3877), 1035 states have call predecessors, (3877), 1024 states have return successors, (3937), 3749 states have call predecessors, (3937), 3873 states have call successors, (3937) [2024-10-24 14:14:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16356 states to 16356 states and 23666 transitions. [2024-10-24 14:14:26,782 INFO L78 Accepts]: Start accepts. Automaton has 16356 states and 23666 transitions. Word has length 118 [2024-10-24 14:14:26,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:26,784 INFO L471 AbstractCegarLoop]: Abstraction has 16356 states and 23666 transitions. [2024-10-24 14:14:26,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-24 14:14:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 16356 states and 23666 transitions. [2024-10-24 14:14:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-24 14:14:26,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:26,789 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 14:14:26,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:14:26,789 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:26,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:26,789 INFO L85 PathProgramCache]: Analyzing trace with hash -531790831, now seen corresponding path program 1 times [2024-10-24 14:14:26,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:26,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516760574] [2024-10-24 14:14:26,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:26,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 14:14:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 14:14:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 14:14:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 14:14:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-24 14:14:27,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:27,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516760574] [2024-10-24 14:14:27,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516760574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:27,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:27,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:27,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438198080] [2024-10-24 14:14:27,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:27,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:27,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:27,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:27,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:27,002 INFO L87 Difference]: Start difference. First operand 16356 states and 23666 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-24 14:14:30,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:30,620 INFO L93 Difference]: Finished difference Result 49000 states and 71150 transitions. [2024-10-24 14:14:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:30,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 3 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 136 [2024-10-24 14:14:30,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:30,738 INFO L225 Difference]: With dead ends: 49000 [2024-10-24 14:14:30,738 INFO L226 Difference]: Without dead ends: 32663 [2024-10-24 14:14:30,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:30,780 INFO L432 NwaCegarLoop]: 1560 mSDtfsCounter, 2916 mSDsluCounter, 2075 mSDsCounter, 0 mSdLazyCounter, 2922 mSolverCounterSat, 1034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 3635 SdHoareTripleChecker+Invalid, 3956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1034 IncrementalHoareTripleChecker+Valid, 2922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:30,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 3635 Invalid, 3956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1034 Valid, 2922 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-24 14:14:30,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32663 states. [2024-10-24 14:14:31,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32663 to 31537. [2024-10-24 14:14:31,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31537 states, 22053 states have (on average 1.3839840384528181) internal successors, (30521), 22503 states have internal predecessors, (30521), 7506 states have call successors, (7506), 1996 states have call predecessors, (7506), 1975 states have return successors, (7630), 7229 states have call predecessors, (7630), 7502 states have call successors, (7630) [2024-10-24 14:14:31,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31537 states to 31537 states and 45657 transitions. [2024-10-24 14:14:31,809 INFO L78 Accepts]: Start accepts. Automaton has 31537 states and 45657 transitions. Word has length 136 [2024-10-24 14:14:31,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:31,810 INFO L471 AbstractCegarLoop]: Abstraction has 31537 states and 45657 transitions. [2024-10-24 14:14:31,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-24 14:14:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 31537 states and 45657 transitions. [2024-10-24 14:14:31,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-24 14:14:31,813 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:31,813 INFO L215 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:14:31,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 14:14:31,814 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:31,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:31,814 INFO L85 PathProgramCache]: Analyzing trace with hash -54054280, now seen corresponding path program 1 times [2024-10-24 14:14:31,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:31,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864923890] [2024-10-24 14:14:31,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:31,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 14:14:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:14:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 14:14:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 14:14:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 14:14:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 14:14:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 14:14:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:31,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 14:14:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-24 14:14:32,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:32,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864923890] [2024-10-24 14:14:32,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864923890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:32,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:32,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:14:32,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145991375] [2024-10-24 14:14:32,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:32,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:14:32,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:32,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:14:32,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:14:32,002 INFO L87 Difference]: Start difference. First operand 31537 states and 45657 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 14:14:36,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:36,855 INFO L93 Difference]: Finished difference Result 95099 states and 138123 transitions. [2024-10-24 14:14:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:14:36,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 158 [2024-10-24 14:14:36,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:37,122 INFO L225 Difference]: With dead ends: 95099 [2024-10-24 14:14:37,122 INFO L226 Difference]: Without dead ends: 63631 [2024-10-24 14:14:37,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:37,228 INFO L432 NwaCegarLoop]: 1747 mSDtfsCounter, 2835 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 922 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3193 SdHoareTripleChecker+Valid, 3946 SdHoareTripleChecker+Invalid, 3980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 922 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:37,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3193 Valid, 3946 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [922 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-24 14:14:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63631 states. [2024-10-24 14:14:39,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63631 to 61491. [2024-10-24 14:14:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61491 states, 43305 states have (on average 1.3835584805449717) internal successors, (59915), 44059 states have internal predecessors, (59915), 14378 states have call successors, (14378), 3830 states have call predecessors, (14378), 3805 states have return successors, (14630), 13985 states have call predecessors, (14630), 14374 states have call successors, (14630) [2024-10-24 14:14:39,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61491 states to 61491 states and 88923 transitions. [2024-10-24 14:14:39,737 INFO L78 Accepts]: Start accepts. Automaton has 61491 states and 88923 transitions. Word has length 158 [2024-10-24 14:14:39,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:39,738 INFO L471 AbstractCegarLoop]: Abstraction has 61491 states and 88923 transitions. [2024-10-24 14:14:39,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-10-24 14:14:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 61491 states and 88923 transitions. [2024-10-24 14:14:39,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-24 14:14:39,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:39,740 INFO L215 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:14:39,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 14:14:39,740 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:39,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:39,741 INFO L85 PathProgramCache]: Analyzing trace with hash 164800438, now seen corresponding path program 1 times [2024-10-24 14:14:39,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:39,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471389464] [2024-10-24 14:14:39,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:39,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 14:14:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:14:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 14:14:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 14:14:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 14:14:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 14:14:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 14:14:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 14:14:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:40,651 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2024-10-24 14:14:40,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:40,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471389464] [2024-10-24 14:14:40,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471389464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:40,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:40,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:14:40,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991322453] [2024-10-24 14:14:40,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:40,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:14:40,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:40,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:14:40,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:14:40,653 INFO L87 Difference]: Start difference. First operand 61491 states and 88923 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 14:14:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:44,694 INFO L93 Difference]: Finished difference Result 63633 states and 92393 transitions. [2024-10-24 14:14:44,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 14:14:44,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-10-24 14:14:44,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:44,946 INFO L225 Difference]: With dead ends: 63633 [2024-10-24 14:14:44,946 INFO L226 Difference]: Without dead ends: 63631 [2024-10-24 14:14:44,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:14:44,973 INFO L432 NwaCegarLoop]: 1411 mSDtfsCounter, 2487 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 861 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 4633 SdHoareTripleChecker+Invalid, 4534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 861 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:44,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2709 Valid, 4633 Invalid, 4534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [861 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 14:14:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63631 states. [2024-10-24 14:14:47,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63631 to 61495. [2024-10-24 14:14:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61495 states, 43308 states have (on average 1.3835319109633324) internal successors, (59918), 44062 states have internal predecessors, (59918), 14378 states have call successors, (14378), 3831 states have call predecessors, (14378), 3806 states have return successors, (14630), 13985 states have call predecessors, (14630), 14374 states have call successors, (14630) [2024-10-24 14:14:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61495 states to 61495 states and 88926 transitions. [2024-10-24 14:14:47,588 INFO L78 Accepts]: Start accepts. Automaton has 61495 states and 88926 transitions. Word has length 158 [2024-10-24 14:14:47,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:14:47,588 INFO L471 AbstractCegarLoop]: Abstraction has 61495 states and 88926 transitions. [2024-10-24 14:14:47,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 14:14:47,588 INFO L276 IsEmpty]: Start isEmpty. Operand 61495 states and 88926 transitions. [2024-10-24 14:14:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-24 14:14:47,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:14:47,591 INFO L215 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:14:47,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 14:14:47,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:14:47,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:14:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash -97041294, now seen corresponding path program 1 times [2024-10-24 14:14:47,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:14:47,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858930223] [2024-10-24 14:14:47,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:14:47,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:14:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:14:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:14:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:14:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:14:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:14:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:14:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:14:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:14:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:14:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 14:14:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:14:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 14:14:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 14:14:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 14:14:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 14:14:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 14:14:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 14:14:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-24 14:14:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:14:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 14:14:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:14:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-10-24 14:14:47,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:14:47,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858930223] [2024-10-24 14:14:47,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858930223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:14:47,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:14:47,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 14:14:47,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727110552] [2024-10-24 14:14:47,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:14:47,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 14:14:47,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:14:47,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 14:14:47,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 14:14:47,828 INFO L87 Difference]: Start difference. First operand 61495 states and 88926 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-24 14:14:56,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:14:56,638 INFO L93 Difference]: Finished difference Result 156138 states and 226486 transitions. [2024-10-24 14:14:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 14:14:56,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 166 [2024-10-24 14:14:56,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:14:57,246 INFO L225 Difference]: With dead ends: 156138 [2024-10-24 14:14:57,246 INFO L226 Difference]: Without dead ends: 94712 [2024-10-24 14:14:57,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:14:57,410 INFO L432 NwaCegarLoop]: 2023 mSDtfsCounter, 3222 mSDsluCounter, 3350 mSDsCounter, 0 mSdLazyCounter, 5786 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 5373 SdHoareTripleChecker+Invalid, 7354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 5786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-24 14:14:57,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3462 Valid, 5373 Invalid, 7354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 5786 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-24 14:14:57,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94712 states. [2024-10-24 14:15:01,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94712 to 91481. [2024-10-24 14:15:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91481 states, 64592 states have (on average 1.3832053505078028) internal successors, (89344), 65650 states have internal predecessors, (89344), 21250 states have call successors, (21250), 5665 states have call predecessors, (21250), 5636 states have return successors, (21630), 20741 states have call predecessors, (21630), 21246 states have call successors, (21630) [2024-10-24 14:15:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91481 states to 91481 states and 132224 transitions. [2024-10-24 14:15:02,277 INFO L78 Accepts]: Start accepts. Automaton has 91481 states and 132224 transitions. Word has length 166 [2024-10-24 14:15:02,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:15:02,278 INFO L471 AbstractCegarLoop]: Abstraction has 91481 states and 132224 transitions. [2024-10-24 14:15:02,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-10-24 14:15:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 91481 states and 132224 transitions. [2024-10-24 14:15:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 14:15:02,281 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:02,281 INFO L215 NwaCegarLoop]: trace histogram [13, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 14:15:02,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 14:15:02,281 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-24 14:15:02,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:02,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1665743918, now seen corresponding path program 1 times [2024-10-24 14:15:02,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:02,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517967242] [2024-10-24 14:15:02,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:02,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:15:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:15:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:15:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:15:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:15:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:15:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:15:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 14:15:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-24 14:15:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 14:15:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 14:15:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 14:15:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 14:15:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 14:15:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:15:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-24 14:15:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-24 14:15:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 14:15:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 14:15:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:15:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2024-10-24 14:15:02,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:15:02,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517967242] [2024-10-24 14:15:02,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517967242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:15:02,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:15:02,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 14:15:02,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225327025] [2024-10-24 14:15:02,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:15:02,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 14:15:02,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:15:02,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 14:15:02,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:15:02,980 INFO L87 Difference]: Start difference. First operand 91481 states and 132224 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-24 14:15:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:15:09,148 INFO L93 Difference]: Finished difference Result 94691 states and 137422 transitions. [2024-10-24 14:15:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 14:15:09,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 163 [2024-10-24 14:15:09,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:15:09,556 INFO L225 Difference]: With dead ends: 94691 [2024-10-24 14:15:09,556 INFO L226 Difference]: Without dead ends: 94689 [2024-10-24 14:15:09,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 14:15:09,594 INFO L432 NwaCegarLoop]: 1409 mSDtfsCounter, 2482 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 3673 mSolverCounterSat, 861 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2704 SdHoareTripleChecker+Valid, 4628 SdHoareTripleChecker+Invalid, 4534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 861 IncrementalHoareTripleChecker+Valid, 3673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:15:09,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2704 Valid, 4628 Invalid, 4534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [861 Valid, 3673 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 14:15:09,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94689 states.