./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-wan-farsync.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-wan-farsync.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 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 14:15:44,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 14:15:44,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 14:15:44,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 14:15:44,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 14:15:44,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 14:15:44,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 14:15:44,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 14:15:44,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 14:15:44,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 14:15:44,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 14:15:44,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 14:15:44,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 14:15:44,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 14:15:44,946 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 14:15:44,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 14:15:44,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 14:15:44,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 14:15:44,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 14:15:44,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 14:15:44,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 14:15:44,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 14:15:44,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 14:15:44,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 14:15:44,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 14:15:44,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 14:15:44,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 14:15:44,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 14:15:44,953 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 14:15:44,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:15:44,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 14:15:44,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 14:15:44,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 14:15:44,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 14:15:44,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 14:15:44,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 14:15:44,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 14:15:44,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 14:15:44,956 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 14:15:44,956 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 [2024-10-24 14:15:45,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 14:15:45,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 14:15:45,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 14:15:45,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 14:15:45,233 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 14:15:45,234 INFO L431 ainManager$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-wan-farsync.cil.i [2024-10-24 14:15:46,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 14:15:47,272 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 14:15:47,273 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-wan-farsync.cil.i [2024-10-24 14:15:47,322 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d477d2f/84fdc9f583d64e4ba5927cbcf66a520b/FLAG0cf0a7535 [2024-10-24 14:15:47,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2d477d2f/84fdc9f583d64e4ba5927cbcf66a520b [2024-10-24 14:15:47,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 14:15:47,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 14:15:47,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 14:15:47,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 14:15:47,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 14:15:47,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:15:47" (1/1) ... [2024-10-24 14:15:47,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c964624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:47, skipping insertion in model container [2024-10-24 14:15:47,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 02:15:47" (1/1) ... [2024-10-24 14:15:47,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 14:15:50,727 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-wan-farsync.cil.i[320934,320947] [2024-10-24 14:15:50,731 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-wan-farsync.cil.i[321103,321116] [2024-10-24 14:15:50,732 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-wan-farsync.cil.i[321270,321283] [2024-10-24 14:15:50,732 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-wan-farsync.cil.i[321438,321451] [2024-10-24 14:15:50,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:15:50,788 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 14:15:50,881 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"); [5287] [2024-10-24 14:15:50,884 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)); [5294] [2024-10-24 14:15:50,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5301] [2024-10-24 14:15:50,890 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)); [5339-5340] [2024-10-24 14:15:50,890 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"); [5345-5347] [2024-10-24 14:15:50,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5425] [2024-10-24 14:15:50,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5433] [2024-10-24 14:15:50,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5441] [2024-10-24 14:15:50,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5448] [2024-10-24 14:15:50,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5455] [2024-10-24 14:15:50,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2024-10-24 14:15:50,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5499] [2024-10-24 14:15:50,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5507] [2024-10-24 14:15:50,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5514] [2024-10-24 14:15:50,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5521] [2024-10-24 14:15:50,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5529] [2024-10-24 14:15:51,140 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-wan-farsync.cil.i[320934,320947] [2024-10-24 14:15:51,141 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-wan-farsync.cil.i[321103,321116] [2024-10-24 14:15:51,141 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-wan-farsync.cil.i[321270,321283] [2024-10-24 14:15:51,142 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-wan-farsync.cil.i[321438,321451] [2024-10-24 14:15:51,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 14:15:51,289 INFO L204 MainTranslator]: Completed translation [2024-10-24 14:15:51,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51 WrapperNode [2024-10-24 14:15:51,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 14:15:51,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 14:15:51,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 14:15:51,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 14:15:51,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:51,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:51,569 INFO L138 Inliner]: procedures = 418, calls = 2017, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5550 [2024-10-24 14:15:51,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 14:15:51,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 14:15:51,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 14:15:51,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 14:15:51,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:51,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:51,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,401 INFO L175 MemorySlicer]: Split 937 memory accesses to 19 slices as follows [1, 8, 1, 2, 2, 2, 52, 5, 726, 9, 3, 8, 1, 3, 8, 91, 2, 5, 8]. 77 percent of accesses are in the largest equivalence class. The 216 initializations are split as follows [0, 8, 1, 2, 0, 0, 40, 5, 134, 0, 1, 7, 0, 1, 8, 0, 0, 1, 8]. The 193 writes are split as follows [0, 0, 0, 0, 1, 1, 0, 0, 134, 4, 1, 0, 0, 0, 0, 49, 1, 2, 0]. [2024-10-24 14:15:52,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 14:15:52,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 14:15:52,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 14:15:52,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 14:15:52,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (1/1) ... [2024-10-24 14:15:52,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 14:15:52,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:15:52,694 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 14:15:52,696 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 14:15:52,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-10-24 14:15:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-10-24 14:15:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-24 14:15:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-24 14:15:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 14:15:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 14:15:52,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-24 14:15:52,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-24 14:15:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 14:15:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 14:15:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2024-10-24 14:15:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2024-10-24 14:15:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-24 14:15:52,742 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-24 14:15:52,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:15:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-24 14:15:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-10-24 14:15:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-10-24 14:15:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-10-24 14:15:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-10-24 14:15:52,743 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2024-10-24 14:15:52,743 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2024-10-24 14:15:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-10-24 14:15:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-10-24 14:15:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2024-10-24 14:15:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2024-10-24 14:15:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 14:15:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 14:15:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2024-10-24 14:15:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2024-10-24 14:15:52,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-24 14:15:52,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-24 14:15:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-10-24 14:15:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-10-24 14:15:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-24 14:15:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-24 14:15:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2024-10-24 14:15:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2024-10-24 14:15:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 14:15:52,745 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 14:15:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 14:15:52,745 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-24 14:15:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2024-10-24 14:15:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2024-10-24 14:15:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-24 14:15:52,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 14:15:52,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-24 14:15:52,747 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-10-24 14:15:52,747 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-10-24 14:15:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-24 14:15:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-24 14:15:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 14:15:52,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 14:15:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 14:15:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 14:15:52,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 14:15:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 14:15:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 14:15:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 14:15:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 14:15:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 14:15:52,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-24 14:15:52,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-24 14:15:52,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 14:15:52,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-24 14:15:52,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2024-10-24 14:15:52,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-24 14:15:52,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-24 14:15:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-24 14:15:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-24 14:15:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-24 14:15:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-24 14:15:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-24 14:15:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-24 14:15:52,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-10-24 14:15:52,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-10-24 14:15:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-10-24 14:15:52,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-10-24 14:15:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-24 14:15:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-24 14:15:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-24 14:15:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-24 14:15:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-24 14:15:52,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-10-24 14:15:52,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-10-24 14:15:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-10-24 14:15:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-10-24 14:15:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-10-24 14:15:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2024-10-24 14:15:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2024-10-24 14:15:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-24 14:15:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-24 14:15:52,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-24 14:15:52,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-24 14:15:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-24 14:15:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-24 14:15:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-24 14:15:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-24 14:15:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-10-24 14:15:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-10-24 14:15:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:15:52,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-24 14:15:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 14:15:52,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-24 14:15:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-10-24 14:15:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-10-24 14:15:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2024-10-24 14:15:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-24 14:15:52,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 14:15:52,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 14:15:52,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:15:52,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 14:15:52,762 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-10-24 14:15:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-10-24 14:15:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:15:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 14:15:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-10-24 14:15:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-10-24 14:15:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2024-10-24 14:15:52,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2024-10-24 14:15:52,763 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-24 14:15:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-24 14:15:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-24 14:15:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-24 14:15:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-24 14:15:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-24 14:15:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-24 14:15:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-24 14:15:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-24 14:15:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-24 14:15:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-10-24 14:15:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-10-24 14:15:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-10-24 14:15:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-10-24 14:15:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 14:15:52,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 14:15:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 14:15:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 14:15:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 14:15:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 14:15:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 14:15:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:15:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-24 14:15:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-10-24 14:15:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 14:15:52,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 14:15:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 14:15:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 14:15:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 14:15:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-24 14:15:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-24 14:15:52,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-24 14:15:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-24 14:15:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-24 14:15:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-24 14:15:52,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-10-24 14:15:52,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 14:15:52,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 14:15:52,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 14:15:52,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 14:15:52,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-10-24 14:15:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-24 14:15:52,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-24 14:15:52,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-24 14:15:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-24 14:15:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-24 14:15:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-24 14:15:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 14:15:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-10-24 14:15:52,774 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-10-24 14:15:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 14:15:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 14:15:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 14:15:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 14:15:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-10-24 14:15:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 14:15:52,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-10-24 14:15:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 14:15:52,777 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 14:15:52,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:15:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-24 14:15:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-10-24 14:15:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-10-24 14:15:52,778 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-24 14:15:52,778 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-24 14:15:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-24 14:15:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-24 14:15:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-10-24 14:15:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-10-24 14:15:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-24 14:15:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-24 14:15:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2024-10-24 14:15:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2024-10-24 14:15:52,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-24 14:15:52,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-24 14:15:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-24 14:15:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-24 14:15:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2024-10-24 14:15:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2024-10-24 14:15:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 14:15:52,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 14:15:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 14:15:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 14:15:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-24 14:15:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2024-10-24 14:15:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 14:15:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-24 14:15:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-10-24 14:15:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2024-10-24 14:15:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2024-10-24 14:15:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-24 14:15:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-24 14:15:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-10-24 14:15:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2024-10-24 14:15:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-24 14:15:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-24 14:15:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-10-24 14:15:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2024-10-24 14:15:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 14:15:52,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-24 14:15:52,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-24 14:15:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-24 14:15:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-24 14:15:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-10-24 14:15:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-10-24 14:15:52,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-24 14:15:52,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-24 14:15:52,791 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-24 14:15:52,791 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-24 14:15:53,736 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 14:15:53,740 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 14:15:54,432 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 14:15:57,941 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-24 14:15:58,881 INFO L? ?]: Removed 2320 outVars from TransFormulas that were not future-live. [2024-10-24 14:15:58,882 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 14:15:59,253 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 14:15:59,253 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 14:15:59,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:15:59 BoogieIcfgContainer [2024-10-24 14:15:59,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 14:15:59,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 14:15:59,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 14:15:59,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 14:15:59,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 02:15:47" (1/3) ... [2024-10-24 14:15:59,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a658e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:15:59, skipping insertion in model container [2024-10-24 14:15:59,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 02:15:51" (2/3) ... [2024-10-24 14:15:59,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a658e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:15:59, skipping insertion in model container [2024-10-24 14:15:59,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:15:59" (3/3) ... [2024-10-24 14:15:59,263 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2024-10-24 14:15:59,283 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 14:15:59,283 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-24 14:15:59,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 14:15:59,434 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;@fb16008, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 14:15:59,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-24 14:15:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 1675 states, 1069 states have (on average 1.3713751169317119) internal successors, (1466), 1081 states have internal predecessors, (1466), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) [2024-10-24 14:15:59,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 14:15:59,481 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:15:59,482 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:59,482 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 14:15:59,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:15:59,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1484899311, now seen corresponding path program 1 times [2024-10-24 14:15:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:15:59,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83784511] [2024-10-24 14:15:59,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:15:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:15:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 14:16:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-24 14:16:00,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:00,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83784511] [2024-10-24 14:16:00,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83784511] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:00,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:16:00,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:16:00,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035915436] [2024-10-24 14:16:00,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:00,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:16:00,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:00,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:16:00,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:00,383 INFO L87 Difference]: Start difference. First operand has 1675 states, 1069 states have (on average 1.3713751169317119) internal successors, (1466), 1081 states have internal predecessors, (1466), 512 states have call successors, (512), 92 states have call predecessors, (512), 91 states have return successors, (505), 503 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 14:16:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:05,345 INFO L93 Difference]: Finished difference Result 4928 states and 7437 transitions. [2024-10-24 14:16:05,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:16:05,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2024-10-24 14:16:05,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:05,401 INFO L225 Difference]: With dead ends: 4928 [2024-10-24 14:16:05,402 INFO L226 Difference]: Without dead ends: 3253 [2024-10-24 14:16:05,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 14:16:05,424 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 2794 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 2568 mSolverCounterSat, 1235 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3261 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 3803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1235 IncrementalHoareTripleChecker+Valid, 2568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:05,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3261 Valid, 3743 Invalid, 3803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1235 Valid, 2568 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-24 14:16:05,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2024-10-24 14:16:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 3237. [2024-10-24 14:16:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 2087 states have (on average 1.3641590800191663) internal successors, (2847), 2110 states have internal predecessors, (2847), 969 states have call successors, (969), 179 states have call predecessors, (969), 178 states have return successors, (965), 961 states have call predecessors, (965), 965 states have call successors, (965) [2024-10-24 14:16:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4781 transitions. [2024-10-24 14:16:05,717 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4781 transitions. Word has length 71 [2024-10-24 14:16:05,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:05,718 INFO L471 AbstractCegarLoop]: Abstraction has 3237 states and 4781 transitions. [2024-10-24 14:16:05,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 14:16:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4781 transitions. [2024-10-24 14:16:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 14:16:05,728 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:05,729 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:05,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 14:16:05,730 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 14:16:05,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:05,732 INFO L85 PathProgramCache]: Analyzing trace with hash 2030661012, now seen corresponding path program 1 times [2024-10-24 14:16:05,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:05,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769461465] [2024-10-24 14:16:05,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:05,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:05,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:05,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:05,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:05,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:05,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:05,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:06,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:06,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:06,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 14:16:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-24 14:16:06,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:06,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769461465] [2024-10-24 14:16:06,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769461465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:06,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:16:06,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:16:06,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954901966] [2024-10-24 14:16:06,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:06,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:16:06,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:06,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:16:06,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:06,100 INFO L87 Difference]: Start difference. First operand 3237 states and 4781 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 14:16:10,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:10,963 INFO L93 Difference]: Finished difference Result 7178 states and 10633 transitions. [2024-10-24 14:16:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:16:10,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 79 [2024-10-24 14:16:10,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:10,989 INFO L225 Difference]: With dead ends: 7178 [2024-10-24 14:16:10,989 INFO L226 Difference]: Without dead ends: 3952 [2024-10-24 14:16:10,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 14:16:11,001 INFO L432 NwaCegarLoop]: 1607 mSDtfsCounter, 2121 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 987 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 3699 SdHoareTripleChecker+Invalid, 3605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 987 IncrementalHoareTripleChecker+Valid, 2618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:11,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 3699 Invalid, 3605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [987 Valid, 2618 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-24 14:16:11,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2024-10-24 14:16:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3916. [2024-10-24 14:16:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3916 states, 2570 states have (on average 1.3754863813229572) internal successors, (3535), 2598 states have internal predecessors, (3535), 1123 states have call successors, (1123), 222 states have call predecessors, (1123), 220 states have return successors, (1119), 1112 states have call predecessors, (1119), 1119 states have call successors, (1119) [2024-10-24 14:16:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5777 transitions. [2024-10-24 14:16:11,173 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5777 transitions. Word has length 79 [2024-10-24 14:16:11,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:11,175 INFO L471 AbstractCegarLoop]: Abstraction has 3916 states and 5777 transitions. [2024-10-24 14:16:11,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 14:16:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5777 transitions. [2024-10-24 14:16:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 14:16:11,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:11,179 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:11,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 14:16:11,179 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 14:16:11,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:11,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1291902397, now seen corresponding path program 1 times [2024-10-24 14:16:11,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:11,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088681849] [2024-10-24 14:16:11,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:11,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:16:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-24 14:16:11,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:11,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088681849] [2024-10-24 14:16:11,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088681849] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:11,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:16:11,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:16:11,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851991986] [2024-10-24 14:16:11,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:11,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:16:11,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:11,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:16:11,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:11,461 INFO L87 Difference]: Start difference. First operand 3916 states and 5777 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 14:16:16,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:16,551 INFO L93 Difference]: Finished difference Result 9258 states and 13600 transitions. [2024-10-24 14:16:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:16:16,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 81 [2024-10-24 14:16:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:16,591 INFO L225 Difference]: With dead ends: 9258 [2024-10-24 14:16:16,591 INFO L226 Difference]: Without dead ends: 5353 [2024-10-24 14:16:16,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 14:16:16,608 INFO L432 NwaCegarLoop]: 1614 mSDtfsCounter, 2304 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 1160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 3720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1160 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:16,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2671 Valid, 3741 Invalid, 3720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1160 Valid, 2560 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-24 14:16:16,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5353 states. [2024-10-24 14:16:16,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5353 to 5307. [2024-10-24 14:16:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5307 states, 3462 states have (on average 1.3708838821490468) internal successors, (4746), 3505 states have internal predecessors, (4746), 1503 states have call successors, (1503), 342 states have call predecessors, (1503), 339 states have return successors, (1502), 1480 states have call predecessors, (1502), 1499 states have call successors, (1502) [2024-10-24 14:16:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7751 transitions. [2024-10-24 14:16:16,885 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7751 transitions. Word has length 81 [2024-10-24 14:16:16,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:16,886 INFO L471 AbstractCegarLoop]: Abstraction has 5307 states and 7751 transitions. [2024-10-24 14:16:16,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-24 14:16:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7751 transitions. [2024-10-24 14:16:16,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 14:16:16,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:16,889 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:16,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 14:16:16,889 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 14:16:16,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:16,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1770401690, now seen corresponding path program 1 times [2024-10-24 14:16:16,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:16,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977922837] [2024-10-24 14:16:16,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:16,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-24 14:16:17,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:17,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977922837] [2024-10-24 14:16:17,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977922837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:17,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:16:17,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:16:17,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967616849] [2024-10-24 14:16:17,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:17,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:16:17,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:17,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:16:17,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:17,157 INFO L87 Difference]: Start difference. First operand 5307 states and 7751 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 14:16:21,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:21,493 INFO L93 Difference]: Finished difference Result 14652 states and 21326 transitions. [2024-10-24 14:16:21,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:16:21,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 79 [2024-10-24 14:16:21,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:21,563 INFO L225 Difference]: With dead ends: 14652 [2024-10-24 14:16:21,563 INFO L226 Difference]: Without dead ends: 9356 [2024-10-24 14:16:21,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 14:16:21,595 INFO L432 NwaCegarLoop]: 1640 mSDtfsCounter, 2619 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 1260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 3753 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1260 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:21,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 3753 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1260 Valid, 2603 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-10-24 14:16:21,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9356 states. [2024-10-24 14:16:22,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9356 to 9292. [2024-10-24 14:16:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9292 states, 6038 states have (on average 1.3555813183173235) internal successors, (8185), 6123 states have internal predecessors, (8185), 2622 states have call successors, (2622), 634 states have call predecessors, (2622), 629 states have return successors, (2624), 2569 states have call predecessors, (2624), 2618 states have call successors, (2624) [2024-10-24 14:16:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9292 states to 9292 states and 13431 transitions. [2024-10-24 14:16:22,133 INFO L78 Accepts]: Start accepts. Automaton has 9292 states and 13431 transitions. Word has length 79 [2024-10-24 14:16:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:22,135 INFO L471 AbstractCegarLoop]: Abstraction has 9292 states and 13431 transitions. [2024-10-24 14:16:22,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 14:16:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 9292 states and 13431 transitions. [2024-10-24 14:16:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 14:16:22,138 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:22,138 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:22,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 14:16:22,138 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 14:16:22,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:22,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1872968944, now seen corresponding path program 1 times [2024-10-24 14:16:22,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:22,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076558728] [2024-10-24 14:16:22,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-24 14:16:22,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:22,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076558728] [2024-10-24 14:16:22,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076558728] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:22,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:16:22,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:16:22,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843673371] [2024-10-24 14:16:22,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:22,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:16:22,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:22,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:16:22,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:22,388 INFO L87 Difference]: Start difference. First operand 9292 states and 13431 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 14:16:26,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:26,606 INFO L93 Difference]: Finished difference Result 26739 states and 38630 transitions. [2024-10-24 14:16:26,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:16:26,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-10-24 14:16:26,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:26,689 INFO L225 Difference]: With dead ends: 26739 [2024-10-24 14:16:26,689 INFO L226 Difference]: Without dead ends: 17458 [2024-10-24 14:16:26,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 14:16:26,819 INFO L432 NwaCegarLoop]: 1852 mSDtfsCounter, 2686 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 1203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 4094 SdHoareTripleChecker+Invalid, 3964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1203 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:26,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3144 Valid, 4094 Invalid, 3964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1203 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-24 14:16:26,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17458 states. [2024-10-24 14:16:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17458 to 17364. [2024-10-24 14:16:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17364 states, 11314 states have (on average 1.346119851511402) internal successors, (15230), 11484 states have internal predecessors, (15230), 4859 states have call successors, (4859), 1197 states have call predecessors, (4859), 1188 states have return successors, (4867), 4746 states have call predecessors, (4867), 4855 states have call successors, (4867) [2024-10-24 14:16:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17364 states to 17364 states and 24956 transitions. [2024-10-24 14:16:27,749 INFO L78 Accepts]: Start accepts. Automaton has 17364 states and 24956 transitions. Word has length 80 [2024-10-24 14:16:27,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:27,749 INFO L471 AbstractCegarLoop]: Abstraction has 17364 states and 24956 transitions. [2024-10-24 14:16:27,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-24 14:16:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 17364 states and 24956 transitions. [2024-10-24 14:16:27,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-24 14:16:27,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:27,752 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:27,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 14:16:27,752 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 14:16:27,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:27,752 INFO L85 PathProgramCache]: Analyzing trace with hash -746917228, now seen corresponding path program 1 times [2024-10-24 14:16:27,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:27,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559659176] [2024-10-24 14:16:27,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:27,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:27,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:27,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:27,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:27,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:27,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 14:16:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 14:16:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-24 14:16:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 14:16:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-24 14:16:28,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:28,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559659176] [2024-10-24 14:16:28,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559659176] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:28,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:16:28,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:16:28,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38588259] [2024-10-24 14:16:28,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:28,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:16:28,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:28,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:16:28,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:28,140 INFO L87 Difference]: Start difference. First operand 17364 states and 24956 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-24 14:16:32,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:32,394 INFO L93 Difference]: Finished difference Result 48363 states and 69488 transitions. [2024-10-24 14:16:32,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 14:16:32,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 92 [2024-10-24 14:16:32,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:32,562 INFO L225 Difference]: With dead ends: 48363 [2024-10-24 14:16:32,563 INFO L226 Difference]: Without dead ends: 31010 [2024-10-24 14:16:32,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 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 14:16:32,636 INFO L432 NwaCegarLoop]: 2218 mSDtfsCounter, 2514 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 1097 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2936 SdHoareTripleChecker+Valid, 4647 SdHoareTripleChecker+Invalid, 3933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1097 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:32,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2936 Valid, 4647 Invalid, 3933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1097 Valid, 2836 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-24 14:16:32,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31010 states. [2024-10-24 14:16:34,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31010 to 30848. [2024-10-24 14:16:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30848 states, 19984 states have (on average 1.3394715772618095) internal successors, (26768), 20346 states have internal predecessors, (26768), 8720 states have call successors, (8720), 2174 states have call predecessors, (8720), 2141 states have return successors, (8748), 8455 states have call predecessors, (8748), 8716 states have call successors, (8748) [2024-10-24 14:16:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30848 states to 30848 states and 44236 transitions. [2024-10-24 14:16:34,424 INFO L78 Accepts]: Start accepts. Automaton has 30848 states and 44236 transitions. Word has length 92 [2024-10-24 14:16:34,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:34,425 INFO L471 AbstractCegarLoop]: Abstraction has 30848 states and 44236 transitions. [2024-10-24 14:16:34,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-24 14:16:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30848 states and 44236 transitions. [2024-10-24 14:16:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-24 14:16:34,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:34,428 INFO L215 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 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] [2024-10-24 14:16:34,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 14:16:34,429 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 14:16:34,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:34,429 INFO L85 PathProgramCache]: Analyzing trace with hash 987562418, now seen corresponding path program 1 times [2024-10-24 14:16:34,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:34,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853984232] [2024-10-24 14:16:34,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:34,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 14:16:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 14:16:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 14:16:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 14:16:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-24 14:16:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 14:16:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 14:16:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 14:16:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 14:16:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-24 14:16:34,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853984232] [2024-10-24 14:16:34,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853984232] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:34,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 14:16:34,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 14:16:34,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746805198] [2024-10-24 14:16:34,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:34,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 14:16:34,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:34,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 14:16:34,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:34,767 INFO L87 Difference]: Start difference. First operand 30848 states and 44236 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 14:16:38,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:38,273 INFO L93 Difference]: Finished difference Result 61766 states and 88636 transitions. [2024-10-24 14:16:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 14:16:38,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 123 [2024-10-24 14:16:38,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:38,483 INFO L225 Difference]: With dead ends: 61766 [2024-10-24 14:16:38,484 INFO L226 Difference]: Without dead ends: 31000 [2024-10-24 14:16:38,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 14:16:38,588 INFO L432 NwaCegarLoop]: 1608 mSDtfsCounter, 579 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 2516 mSolverCounterSat, 355 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 3757 SdHoareTripleChecker+Invalid, 2871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 355 IncrementalHoareTripleChecker+Valid, 2516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:38,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 3757 Invalid, 2871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 2516 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-24 14:16:38,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31000 states. [2024-10-24 14:16:40,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31000 to 30880. [2024-10-24 14:16:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30880 states, 20016 states have (on average 1.3389288569144684) internal successors, (26800), 20378 states have internal predecessors, (26800), 8720 states have call successors, (8720), 2174 states have call predecessors, (8720), 2141 states have return successors, (8748), 8455 states have call predecessors, (8748), 8716 states have call successors, (8748) [2024-10-24 14:16:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30880 states to 30880 states and 44268 transitions. [2024-10-24 14:16:40,493 INFO L78 Accepts]: Start accepts. Automaton has 30880 states and 44268 transitions. Word has length 123 [2024-10-24 14:16:40,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:40,494 INFO L471 AbstractCegarLoop]: Abstraction has 30880 states and 44268 transitions. [2024-10-24 14:16:40,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-24 14:16:40,494 INFO L276 IsEmpty]: Start isEmpty. Operand 30880 states and 44268 transitions. [2024-10-24 14:16:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 14:16:40,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:40,498 INFO L215 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 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] [2024-10-24 14:16:40,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 14:16:40,499 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 14:16:40,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:40,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1192393522, now seen corresponding path program 1 times [2024-10-24 14:16:40,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:40,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946977823] [2024-10-24 14:16:40,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:40,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 14:16:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:16:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 14:16:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 14:16:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 14:16:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 14:16:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 14:16:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:16:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 14:16:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-24 14:16:40,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:40,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946977823] [2024-10-24 14:16:40,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946977823] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:16:40,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628528742] [2024-10-24 14:16:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:40,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:16:40,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:16:40,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 14:16:40,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 14:16:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:42,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 14:16:42,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 14:16:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-10-24 14:16:42,085 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 14:16:42,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628528742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 14:16:42,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 14:16:42,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-24 14:16:42,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535894305] [2024-10-24 14:16:42,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 14:16:42,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 14:16:42,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:42,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 14:16:42,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:16:42,087 INFO L87 Difference]: Start difference. First operand 30880 states and 44268 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 14:16:43,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:43,793 INFO L93 Difference]: Finished difference Result 66837 states and 95849 transitions. [2024-10-24 14:16:43,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 14:16:43,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 124 [2024-10-24 14:16:43,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:44,091 INFO L225 Difference]: With dead ends: 66837 [2024-10-24 14:16:44,092 INFO L226 Difference]: Without dead ends: 36039 [2024-10-24 14:16:44,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 14:16:44,169 INFO L432 NwaCegarLoop]: 2335 mSDtfsCounter, 2396 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 4139 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:44,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 4139 Invalid, 455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 14:16:44,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36039 states. [2024-10-24 14:16:45,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36039 to 36016. [2024-10-24 14:16:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36016 states, 23502 states have (on average 1.3364820015317844) internal successors, (31410), 23868 states have internal predecessors, (31410), 10066 states have call successors, (10066), 2482 states have call predecessors, (10066), 2445 states have return successors, (10102), 9815 states have call predecessors, (10102), 10062 states have call successors, (10102) [2024-10-24 14:16:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36016 states to 36016 states and 51578 transitions. [2024-10-24 14:16:46,219 INFO L78 Accepts]: Start accepts. Automaton has 36016 states and 51578 transitions. Word has length 124 [2024-10-24 14:16:46,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 14:16:46,220 INFO L471 AbstractCegarLoop]: Abstraction has 36016 states and 51578 transitions. [2024-10-24 14:16:46,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-24 14:16:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 36016 states and 51578 transitions. [2024-10-24 14:16:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-24 14:16:46,222 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 14:16:46,223 INFO L215 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 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] [2024-10-24 14:16:46,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 14:16:46,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:16:46,424 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 14:16:46,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 14:16:46,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1411248240, now seen corresponding path program 1 times [2024-10-24 14:16:46,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 14:16:46,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518200197] [2024-10-24 14:16:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:46,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 14:16:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-24 14:16:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 14:16:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 14:16:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 14:16:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 14:16:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 14:16:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 14:16:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-24 14:16:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 14:16:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 14:16:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 14:16:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 14:16:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 14:16:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 14:16:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 14:16:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-24 14:16:46,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 14:16:46,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518200197] [2024-10-24 14:16:46,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518200197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 14:16:46,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86324468] [2024-10-24 14:16:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 14:16:46,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 14:16:46,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 14:16:46,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 14:16:46,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 14:16:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 14:16:47,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 14:16:47,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 14:16:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-24 14:16:47,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 14:16:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-24 14:16:47,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86324468] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 14:16:47,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 14:16:47,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-10-24 14:16:47,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246875496] [2024-10-24 14:16:47,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 14:16:47,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 14:16:47,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 14:16:47,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 14:16:47,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:16:47,962 INFO L87 Difference]: Start difference. First operand 36016 states and 51578 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-24 14:16:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 14:16:52,529 INFO L93 Difference]: Finished difference Result 72122 states and 103342 transitions. [2024-10-24 14:16:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 14:16:52,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 7 states have internal predecessors, (63), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 124 [2024-10-24 14:16:52,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 14:16:52,763 INFO L225 Difference]: With dead ends: 72122 [2024-10-24 14:16:52,763 INFO L226 Difference]: Without dead ends: 36188 [2024-10-24 14:16:52,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-24 14:16:52,876 INFO L432 NwaCegarLoop]: 1608 mSDtfsCounter, 579 mSDsluCounter, 4715 mSDsCounter, 0 mSdLazyCounter, 4854 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 6323 SdHoareTripleChecker+Invalid, 5210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 4854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-24 14:16:52,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 6323 Invalid, 5210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 4854 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-24 14:16:52,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36188 states.