./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-84cfde4 [2024-10-11 15:55:00,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:55:01,003 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:55:01,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:55:01,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:55:01,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:55:01,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:55:01,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:55:01,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:55:01,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:55:01,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:55:01,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:55:01,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:55:01,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:55:01,041 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:55:01,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:55:01,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:55:01,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:55:01,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:55:01,044 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:55:01,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:55:01,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:55:01,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:55:01,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:55:01,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:55:01,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:55:01,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:55:01,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:55:01,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:55:01,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:55:01,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:55:01,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:55:01,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:55:01,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:55:01,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:55:01,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:55:01,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:55:01,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:55:01,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:55:01,053 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dcd453e519a411dcaaa8ea095e5544a2fd8cdb9a31e662fc6de670ff7f7c541 [2024-10-11 15:55:01,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:55:01,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:55:01,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:55:01,334 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:55:01,334 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:55:01,336 INFO L431 ainManager$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 [2024-10-11 15:55:02,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:55:03,324 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:55:03,325 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 [2024-10-11 15:55:03,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b866e6f56/f024d1e5fe854c9eac800c67b505bfc1/FLAGb0689d7c0 [2024-10-11 15:55:03,393 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b866e6f56/f024d1e5fe854c9eac800c67b505bfc1 [2024-10-11 15:55:03,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:55:03,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:55:03,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:55:03,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:55:03,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:55:03,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:55:03" (1/1) ... [2024-10-11 15:55:03,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405c3a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:03, skipping insertion in model container [2024-10-11 15:55:03,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:55:03" (1/1) ... [2024-10-11 15:55:03,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:55:06,044 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] [2024-10-11 15:55:06,051 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] [2024-10-11 15:55:06,059 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] [2024-10-11 15:55:06,059 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] [2024-10-11 15:55:06,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:55:06,145 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:55:06,221 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] [2024-10-11 15:55:06,224 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] [2024-10-11 15:55:06,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5301] [2024-10-11 15:55:06,225 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] [2024-10-11 15:55:06,226 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] [2024-10-11 15:55:06,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5425] [2024-10-11 15:55:06,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [5433] [2024-10-11 15:55:06,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5441] [2024-10-11 15:55:06,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5448] [2024-10-11 15:55:06,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [5455] [2024-10-11 15:55:06,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5462] [2024-10-11 15:55:06,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5499] [2024-10-11 15:55:06,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5507] [2024-10-11 15:55:06,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5514] [2024-10-11 15:55:06,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5521] [2024-10-11 15:55:06,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5529] [2024-10-11 15:55:06,482 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] [2024-10-11 15:55:06,483 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] [2024-10-11 15:55:06,484 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] [2024-10-11 15:55:06,484 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] [2024-10-11 15:55:06,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:55:06,619 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:55:06,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06 WrapperNode [2024-10-11 15:55:06,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:55:06,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:55:06,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:55:06,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:55:06,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:06,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:06,938 INFO L138 Inliner]: procedures = 418, calls = 2017, calls flagged for inlining = 195, calls inlined = 179, statements flattened = 5550 [2024-10-11 15:55:06,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:55:06,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:55:06,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:55:06,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:55:06,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:06,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:06,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:07,687 INFO L175 MemorySlicer]: Split 937 memory accesses to 19 slices as follows [8, 1, 726, 2, 1, 52, 2, 5, 9, 3, 8, 3, 1, 8, 2, 2, 5, 91, 8]. 77 percent of accesses are in the largest equivalence class. The 216 initializations are split as follows [8, 1, 134, 2, 0, 40, 0, 5, 0, 1, 7, 1, 0, 8, 0, 0, 1, 0, 8]. The 193 writes are split as follows [0, 0, 134, 0, 0, 0, 1, 0, 4, 1, 0, 0, 0, 0, 1, 1, 2, 49, 0]. [2024-10-11 15:55:07,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:07,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:07,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:07,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:07,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:07,922 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:08,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:55:08,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:55:08,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:55:08,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:55:08,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (1/1) ... [2024-10-11 15:55:08,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:55:08,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:55:08,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:55:08,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:55:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-10-11 15:55:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fst_cleanup_module_12_2 [2024-10-11 15:55:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-10-11 15:55:08,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-10-11 15:55:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:55:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:55:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-10-11 15:55:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-10-11 15:55:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:55:08,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:55:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2024-10-11 15:55:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2024-10-11 15:55:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-10-11 15:55:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-10-11 15:55:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:55:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-10-11 15:55:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2024-10-11 15:55:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2024-10-11 15:55:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2024-10-11 15:55:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2024-10-11 15:55:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2024-10-11 15:55:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2024-10-11 15:55:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2024-10-11 15:55:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2024-10-11 15:55:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_67 [2024-10-11 15:55:08,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_67 [2024-10-11 15:55:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:55:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:55:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2024-10-11 15:55:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2024-10-11 15:55:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-10-11 15:55:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-10-11 15:55:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-10-11 15:55:08,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-10-11 15:55:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-11 15:55:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-11 15:55:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2024-10-11 15:55:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2024-10-11 15:55:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-11 15:55:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-11 15:55:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:55:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-10-11 15:55:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-10-11 15:55:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2024-10-11 15:55:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2024-10-11 15:55:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2024-10-11 15:55:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2024-10-11 15:55:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-10-11 15:55:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-10-11 15:55:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 15:55:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-11 15:55:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-11 15:55:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-10-11 15:55:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-10-11 15:55:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-10-11 15:55:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-10-11 15:55:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-10-11 15:55:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-11 15:55:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-11 15:55:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:55:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:55:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:55:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 15:55:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-11 15:55:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-11 15:55:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-11 15:55:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-11 15:55:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-11 15:55:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-11 15:55:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-10-11 15:55:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-10-11 15:55:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-10-11 15:55:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:55:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:55:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:55:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:55:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 15:55:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2024-10-11 15:55:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2024-10-11 15:55:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:55:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:55:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:55:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:55:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:55:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:55:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:55:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:55:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:55:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:55:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:55:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:55:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-10-11 15:55:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-10-11 15:55:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-10-11 15:55:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-10-11 15:55:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-10-11 15:55:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-10-11 15:55:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-10-11 15:55:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-10-11 15:55:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-10-11 15:55:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2024-10-11 15:55:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2024-10-11 15:55:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2024-10-11 15:55:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-10-11 15:55:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-10-11 15:55:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-10-11 15:55:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-10-11 15:55:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:55:08,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2024-10-11 15:55:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:55:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2024-10-11 15:55:08,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2024-10-11 15:55:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2024-10-11 15:55:08,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2024-10-11 15:55:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-10-11 15:55:08,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_card_lock_of_fst_card_info [2024-10-11 15:55:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:55:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2024-10-11 15:55:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2024-10-11 15:55:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 15:55:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 15:55:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:55:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:55:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:55:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:55:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:55:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:55:08,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-11 15:55:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-10-11 15:55:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-10-11 15:55:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:55:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:55:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-10-11 15:55:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-10-11 15:55:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2024-10-11 15:55:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2024-10-11 15:55:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2024-10-11 15:55:08,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2024-10-11 15:55:08,146 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-10-11 15:55:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-10-11 15:55:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-10-11 15:55:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-10-11 15:55:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2024-10-11 15:55:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2024-10-11 15:55:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2024-10-11 15:55:08,147 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2024-10-11 15:55:08,147 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-10-11 15:55:08,148 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-10-11 15:55:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2024-10-11 15:55:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2024-10-11 15:55:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:55:08,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:55:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 15:55:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 15:55:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 15:55:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 15:55:08,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-11 15:55:08,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 15:55:08,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:55:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:55:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2024-10-11 15:55:08,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 15:55:08,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 15:55:08,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-11 15:55:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-11 15:55:08,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-11 15:55:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-11 15:55:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-11 15:55:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-11 15:55:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-11 15:55:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-11 15:55:08,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-10-11 15:55:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 15:55:08,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-11 15:55:08,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-10-11 15:55:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-10-11 15:55:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-10-11 15:55:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-10-11 15:55:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:55:08,158 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-10-11 15:55:08,158 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 15:55:08,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-10-11 15:55:08,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:55:08,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:55:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 15:55:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 15:55:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 15:55:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 15:55:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-11 15:55:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-10-11 15:55:08,162 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-10-11 15:55:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:55:08,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:55:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 15:55:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2024-10-11 15:55:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-10-11 15:55:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-10-11 15:55:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-11 15:55:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-11 15:55:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-10-11 15:55:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-10-11 15:55:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2024-10-11 15:55:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2024-10-11 15:55:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2024-10-11 15:55:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2024-10-11 15:55:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2024-10-11 15:55:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2024-10-11 15:55:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-11 15:55:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-11 15:55:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-10-11 15:55:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-10-11 15:55:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_fst_work_q_lock [2024-10-11 15:55:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_fst_work_q_lock [2024-10-11 15:55:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:55:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:55:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:55:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:55:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:55:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2024-10-11 15:55:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:55:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:55:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-10-11 15:55:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-10-11 15:55:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2024-10-11 15:55:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2024-10-11 15:55:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 15:55:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 15:55:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 15:55:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 15:55:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 15:55:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2024-10-11 15:55:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2024-10-11 15:55:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-10-11 15:55:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-10-11 15:55:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-10-11 15:55:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-10-11 15:55:08,966 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:55:08,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:55:09,628 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:55:12,944 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2024-10-11 15:55:14,094 INFO L? ?]: Removed 2320 outVars from TransFormulas that were not future-live. [2024-10-11 15:55:14,095 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:55:14,385 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:55:14,385 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 15:55:14,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:55:14 BoogieIcfgContainer [2024-10-11 15:55:14,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:55:14,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:55:14,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:55:14,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:55:14,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:55:03" (1/3) ... [2024-10-11 15:55:14,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718efa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:55:14, skipping insertion in model container [2024-10-11 15:55:14,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:55:06" (2/3) ... [2024-10-11 15:55:14,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4718efa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:55:14, skipping insertion in model container [2024-10-11 15:55:14,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:55:14" (3/3) ... [2024-10-11 15:55:14,395 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-farsync.cil.i [2024-10-11 15:55:14,412 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:55:14,412 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 15:55:14,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:55:14,587 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;@50f462a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:55:14,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-11 15:55:14,599 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) [2024-10-11 15:55:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 15:55:14,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:14,620 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] [2024-10-11 15:55:14,620 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)] === [2024-10-11 15:55:14,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:14,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1484899311, now seen corresponding path program 1 times [2024-10-11 15:55:14,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:14,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822421259] [2024-10-11 15:55:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:14,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 15:55:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-11 15:55:15,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:15,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822421259] [2024-10-11 15:55:15,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822421259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:15,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:15,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:15,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268363038] [2024-10-11 15:55:15,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:15,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:15,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:15,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:15,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:15,419 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) [2024-10-11 15:55:20,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:20,395 INFO L93 Difference]: Finished difference Result 4928 states and 7437 transitions. [2024-10-11 15:55:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:20,397 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 [2024-10-11 15:55:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:20,436 INFO L225 Difference]: With dead ends: 4928 [2024-10-11 15:55:20,436 INFO L226 Difference]: Without dead ends: 3253 [2024-10-11 15:55:20,454 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 [2024-10-11 15:55:20,457 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, 4.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:20,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3261 Valid, 3743 Invalid, 3803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1235 Valid, 2568 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-11 15:55:20,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3253 states. [2024-10-11 15:55:20,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3253 to 3237. [2024-10-11 15:55:20,799 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) [2024-10-11 15:55:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 4781 transitions. [2024-10-11 15:55:20,831 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 4781 transitions. Word has length 71 [2024-10-11 15:55:20,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:20,833 INFO L471 AbstractCegarLoop]: Abstraction has 3237 states and 4781 transitions. [2024-10-11 15:55:20,833 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) [2024-10-11 15:55:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 4781 transitions. [2024-10-11 15:55:20,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 15:55:20,844 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:20,844 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] [2024-10-11 15:55:20,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:55:20,845 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)] === [2024-10-11 15:55:20,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:20,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2030661012, now seen corresponding path program 1 times [2024-10-11 15:55:20,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:20,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624389670] [2024-10-11 15:55:20,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:20,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 15:55:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-11 15:55:21,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:21,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624389670] [2024-10-11 15:55:21,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624389670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:21,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:21,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:21,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125729293] [2024-10-11 15:55:21,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:21,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:21,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:21,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:21,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:21,223 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) [2024-10-11 15:55:25,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:25,762 INFO L93 Difference]: Finished difference Result 7178 states and 10633 transitions. [2024-10-11 15:55:25,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:25,763 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 [2024-10-11 15:55:25,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:25,791 INFO L225 Difference]: With dead ends: 7178 [2024-10-11 15:55:25,792 INFO L226 Difference]: Without dead ends: 3952 [2024-10-11 15:55:25,802 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 [2024-10-11 15:55:25,804 INFO L432 NwaCegarLoop]: 1607 mSDtfsCounter, 2121 mSDsluCounter, 2092 mSDsCounter, 0 mSdLazyCounter, 2618 mSolverCounterSat, 987 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:25,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 3699 Invalid, 3605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [987 Valid, 2618 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-10-11 15:55:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2024-10-11 15:55:25,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3916. [2024-10-11 15:55:25,958 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) [2024-10-11 15:55:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5777 transitions. [2024-10-11 15:55:25,982 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5777 transitions. Word has length 79 [2024-10-11 15:55:25,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:25,984 INFO L471 AbstractCegarLoop]: Abstraction has 3916 states and 5777 transitions. [2024-10-11 15:55:25,985 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) [2024-10-11 15:55:25,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5777 transitions. [2024-10-11 15:55:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-11 15:55:25,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:25,989 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] [2024-10-11 15:55:25,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:55:25,990 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)] === [2024-10-11 15:55:25,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:25,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1291902397, now seen corresponding path program 1 times [2024-10-11 15:55:25,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:25,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191768189] [2024-10-11 15:55:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:55:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-11 15:55:26,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:26,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191768189] [2024-10-11 15:55:26,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191768189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:26,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:26,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:26,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445526790] [2024-10-11 15:55:26,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:26,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:26,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:26,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:26,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:26,209 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) [2024-10-11 15:55:30,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:30,278 INFO L93 Difference]: Finished difference Result 9258 states and 13600 transitions. [2024-10-11 15:55:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:30,279 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 [2024-10-11 15:55:30,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:30,314 INFO L225 Difference]: With dead ends: 9258 [2024-10-11 15:55:30,314 INFO L226 Difference]: Without dead ends: 5353 [2024-10-11 15:55:30,328 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 [2024-10-11 15:55:30,329 INFO L432 NwaCegarLoop]: 1614 mSDtfsCounter, 2304 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2560 mSolverCounterSat, 1160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 3720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1160 IncrementalHoareTripleChecker+Valid, 2560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:30,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2671 Valid, 3741 Invalid, 3720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1160 Valid, 2560 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-11 15:55:30,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5353 states. [2024-10-11 15:55:30,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5353 to 5307. [2024-10-11 15:55:30,537 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) [2024-10-11 15:55:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 7751 transitions. [2024-10-11 15:55:30,662 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 7751 transitions. Word has length 81 [2024-10-11 15:55:30,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:30,663 INFO L471 AbstractCegarLoop]: Abstraction has 5307 states and 7751 transitions. [2024-10-11 15:55:30,663 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) [2024-10-11 15:55:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 7751 transitions. [2024-10-11 15:55:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-11 15:55:30,665 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:30,666 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] [2024-10-11 15:55:30,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:55:30,666 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)] === [2024-10-11 15:55:30,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:30,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1770401690, now seen corresponding path program 1 times [2024-10-11 15:55:30,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:30,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392951216] [2024-10-11 15:55:30,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:30,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-11 15:55:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:30,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392951216] [2024-10-11 15:55:30,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392951216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:30,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:30,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:30,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070598940] [2024-10-11 15:55:30,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:30,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:30,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:30,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:30,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:30,883 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) [2024-10-11 15:55:34,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:34,873 INFO L93 Difference]: Finished difference Result 14652 states and 21326 transitions. [2024-10-11 15:55:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:34,873 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 [2024-10-11 15:55:34,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:34,935 INFO L225 Difference]: With dead ends: 14652 [2024-10-11 15:55:34,935 INFO L226 Difference]: Without dead ends: 9356 [2024-10-11 15:55:34,956 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 [2024-10-11 15:55:34,957 INFO L432 NwaCegarLoop]: 1640 mSDtfsCounter, 2619 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 1260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:34,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 3753 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1260 Valid, 2603 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-11 15:55:34,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9356 states. [2024-10-11 15:55:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9356 to 9292. [2024-10-11 15:55:35,414 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) [2024-10-11 15:55:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9292 states to 9292 states and 13431 transitions. [2024-10-11 15:55:35,460 INFO L78 Accepts]: Start accepts. Automaton has 9292 states and 13431 transitions. Word has length 79 [2024-10-11 15:55:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:35,461 INFO L471 AbstractCegarLoop]: Abstraction has 9292 states and 13431 transitions. [2024-10-11 15:55:35,461 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) [2024-10-11 15:55:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 9292 states and 13431 transitions. [2024-10-11 15:55:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 15:55:35,463 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:35,463 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] [2024-10-11 15:55:35,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:55:35,463 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)] === [2024-10-11 15:55:35,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:35,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1872968944, now seen corresponding path program 1 times [2024-10-11 15:55:35,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:35,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347697435] [2024-10-11 15:55:35,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:35,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-11 15:55:35,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347697435] [2024-10-11 15:55:35,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347697435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:35,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:35,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:35,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026342980] [2024-10-11 15:55:35,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:35,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:35,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:35,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:35,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:35,640 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) [2024-10-11 15:55:39,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:39,763 INFO L93 Difference]: Finished difference Result 26739 states and 38630 transitions. [2024-10-11 15:55:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:39,764 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 [2024-10-11 15:55:39,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:39,861 INFO L225 Difference]: With dead ends: 26739 [2024-10-11 15:55:39,861 INFO L226 Difference]: Without dead ends: 17458 [2024-10-11 15:55:39,903 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 [2024-10-11 15:55:39,905 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 [2024-10-11 15:55:39,906 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] [2024-10-11 15:55:39,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17458 states. [2024-10-11 15:55:40,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17458 to 17364. [2024-10-11 15:55:40,675 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) [2024-10-11 15:55:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17364 states to 17364 states and 24956 transitions. [2024-10-11 15:55:40,760 INFO L78 Accepts]: Start accepts. Automaton has 17364 states and 24956 transitions. Word has length 80 [2024-10-11 15:55:40,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:40,761 INFO L471 AbstractCegarLoop]: Abstraction has 17364 states and 24956 transitions. [2024-10-11 15:55:40,762 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) [2024-10-11 15:55:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 17364 states and 24956 transitions. [2024-10-11 15:55:40,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-11 15:55:40,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:40,764 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] [2024-10-11 15:55:40,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:55:40,766 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)] === [2024-10-11 15:55:40,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:40,767 INFO L85 PathProgramCache]: Analyzing trace with hash -746917228, now seen corresponding path program 1 times [2024-10-11 15:55:40,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:40,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974429084] [2024-10-11 15:55:40,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:40,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:55:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 15:55:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:55:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:55:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:41,107 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-10-11 15:55:41,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974429084] [2024-10-11 15:55:41,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974429084] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:41,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:41,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:41,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070238149] [2024-10-11 15:55:41,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:41,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:41,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:41,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:41,109 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) [2024-10-11 15:55:45,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:45,500 INFO L93 Difference]: Finished difference Result 48363 states and 69488 transitions. [2024-10-11 15:55:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 15:55:45,501 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 [2024-10-11 15:55:45,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:45,661 INFO L225 Difference]: With dead ends: 48363 [2024-10-11 15:55:45,662 INFO L226 Difference]: Without dead ends: 31010 [2024-10-11 15:55:45,736 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 [2024-10-11 15:55:45,737 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 [2024-10-11 15:55:45,737 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] [2024-10-11 15:55:45,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31010 states. [2024-10-11 15:55:46,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31010 to 30848. [2024-10-11 15:55:46,954 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) [2024-10-11 15:55:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30848 states to 30848 states and 44236 transitions. [2024-10-11 15:55:47,123 INFO L78 Accepts]: Start accepts. Automaton has 30848 states and 44236 transitions. Word has length 92 [2024-10-11 15:55:47,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:47,125 INFO L471 AbstractCegarLoop]: Abstraction has 30848 states and 44236 transitions. [2024-10-11 15:55:47,125 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) [2024-10-11 15:55:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30848 states and 44236 transitions. [2024-10-11 15:55:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-11 15:55:47,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:47,127 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] [2024-10-11 15:55:47,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:55:47,128 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)] === [2024-10-11 15:55:47,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash 987562418, now seen corresponding path program 1 times [2024-10-11 15:55:47,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:47,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676903139] [2024-10-11 15:55:47,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 15:55:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 15:55:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 15:55:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 15:55:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 15:55:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:55:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:55:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 15:55:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-11 15:55:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-11 15:55:47,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:47,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676903139] [2024-10-11 15:55:47,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676903139] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:47,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:55:47,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 15:55:47,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778917507] [2024-10-11 15:55:47,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:47,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 15:55:47,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:47,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 15:55:47,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 15:55:47,682 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) [2024-10-11 15:55:50,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:50,905 INFO L93 Difference]: Finished difference Result 61766 states and 88636 transitions. [2024-10-11 15:55:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 15:55:50,905 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 [2024-10-11 15:55:50,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:51,222 INFO L225 Difference]: With dead ends: 61766 [2024-10-11 15:55:51,222 INFO L226 Difference]: Without dead ends: 31000 [2024-10-11 15:55:51,322 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 [2024-10-11 15:55:51,325 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, 2.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:51,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 3757 Invalid, 2871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [355 Valid, 2516 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-11 15:55:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31000 states. [2024-10-11 15:55:52,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31000 to 30880. [2024-10-11 15:55:52,908 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) [2024-10-11 15:55:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30880 states to 30880 states and 44268 transitions. [2024-10-11 15:55:53,321 INFO L78 Accepts]: Start accepts. Automaton has 30880 states and 44268 transitions. Word has length 123 [2024-10-11 15:55:53,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:53,322 INFO L471 AbstractCegarLoop]: Abstraction has 30880 states and 44268 transitions. [2024-10-11 15:55:53,323 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) [2024-10-11 15:55:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 30880 states and 44268 transitions. [2024-10-11 15:55:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 15:55:53,327 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:53,327 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] [2024-10-11 15:55:53,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:55:53,327 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)] === [2024-10-11 15:55:53,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:53,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1192393522, now seen corresponding path program 1 times [2024-10-11 15:55:53,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:53,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847407238] [2024-10-11 15:55:53,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:53,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 15:55:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:55:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 15:55:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 15:55:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:55:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 15:55:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:55:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:55:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:55:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-11 15:55:53,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:53,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847407238] [2024-10-11 15:55:53,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847407238] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:55:53,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488552358] [2024-10-11 15:55:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:53,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:55:53,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:55:53,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:55:53,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 15:55:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:54,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 15:55:54,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:55:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-10-11 15:55:54,851 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:55:54,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488552358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:55:54,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:55:54,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-10-11 15:55:54,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61569616] [2024-10-11 15:55:54,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:55:54,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:55:54,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:55:54,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:55:54,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:55:54,853 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) [2024-10-11 15:55:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:55:56,501 INFO L93 Difference]: Finished difference Result 66837 states and 95849 transitions. [2024-10-11 15:55:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:55:56,502 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 [2024-10-11 15:55:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:55:56,819 INFO L225 Difference]: With dead ends: 66837 [2024-10-11 15:55:56,819 INFO L226 Difference]: Without dead ends: 36039 [2024-10-11 15:55:56,899 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 [2024-10-11 15:55:56,900 INFO L432 NwaCegarLoop]: 2335 mSDtfsCounter, 2396 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 4139 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:55:56,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 4139 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 15:55:56,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36039 states. [2024-10-11 15:55:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36039 to 36016. [2024-10-11 15:55:58,593 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) [2024-10-11 15:55:58,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36016 states to 36016 states and 51578 transitions. [2024-10-11 15:55:58,784 INFO L78 Accepts]: Start accepts. Automaton has 36016 states and 51578 transitions. Word has length 124 [2024-10-11 15:55:58,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:55:58,785 INFO L471 AbstractCegarLoop]: Abstraction has 36016 states and 51578 transitions. [2024-10-11 15:55:58,785 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) [2024-10-11 15:55:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36016 states and 51578 transitions. [2024-10-11 15:55:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-11 15:55:58,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:55:58,787 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] [2024-10-11 15:55:58,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 15:55:58,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:55:58,990 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)] === [2024-10-11 15:55:58,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:55:58,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1411248240, now seen corresponding path program 1 times [2024-10-11 15:55:58,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:55:58,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292066197] [2024-10-11 15:55:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:58,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:55:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:55:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:55:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:55:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:55:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:55:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 15:55:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:55:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-11 15:55:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 15:55:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:55:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 15:55:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:55:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:55:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 15:55:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:55:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:55:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-11 15:55:59,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:55:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292066197] [2024-10-11 15:55:59,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292066197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:55:59,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719524469] [2024-10-11 15:55:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:55:59,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:55:59,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:55:59,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:55:59,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 15:56:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:00,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 1485 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:56:00,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:56:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 54 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-10-11 15:56:00,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:56:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-10-11 15:56:00,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719524469] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:56:00,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:56:00,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-10-11 15:56:00,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674452091] [2024-10-11 15:56:00,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:56:00,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 15:56:00,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:56:00,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 15:56:00,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:56:00,578 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) [2024-10-11 15:56:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:56:05,037 INFO L93 Difference]: Finished difference Result 72122 states and 103342 transitions. [2024-10-11 15:56:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:56:05,038 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 [2024-10-11 15:56:05,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:56:05,246 INFO L225 Difference]: With dead ends: 72122 [2024-10-11 15:56:05,247 INFO L226 Difference]: Without dead ends: 36188 [2024-10-11 15:56:05,358 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 [2024-10-11 15:56:05,360 INFO L432 NwaCegarLoop]: 1608 mSDtfsCounter, 579 mSDsluCounter, 4715 mSDsCounter, 0 mSdLazyCounter, 4854 mSolverCounterSat, 356 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 3.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:56:05,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 6323 Invalid, 5210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 4854 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-11 15:56:05,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36188 states. [2024-10-11 15:56:07,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36188 to 36040. [2024-10-11 15:56:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36040 states, 23526 states have (on average 1.336138740117317) internal successors, (31434), 23892 states have internal predecessors, (31434), 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) [2024-10-11 15:56:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36040 states to 36040 states and 51602 transitions. [2024-10-11 15:56:07,307 INFO L78 Accepts]: Start accepts. Automaton has 36040 states and 51602 transitions. Word has length 124 [2024-10-11 15:56:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:56:07,308 INFO L471 AbstractCegarLoop]: Abstraction has 36040 states and 51602 transitions. [2024-10-11 15:56:07,308 INFO L472 AbstractCegarLoop]: INTERPOLANT 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) [2024-10-11 15:56:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 36040 states and 51602 transitions. [2024-10-11 15:56:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-11 15:56:07,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:56:07,311 INFO L215 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 4, 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] [2024-10-11 15:56:07,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 15:56:07,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:56:07,512 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-10-11 15:56:07,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:56:07,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1715132144, now seen corresponding path program 2 times [2024-10-11 15:56:07,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:56:07,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166425046] [2024-10-11 15:56:07,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:56:07,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:56:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:56:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:56:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 15:56:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:56:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 15:56:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:56:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 15:56:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:56:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 15:56:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:56:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 15:56:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 15:56:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 15:56:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 15:56:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:56:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 15:56:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 15:56:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:56:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:56:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 15:56:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:56:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:56:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-10-11 15:56:08,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:56:08,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166425046] [2024-10-11 15:56:08,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166425046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:56:08,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:56:08,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:56:08,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114538801] [2024-10-11 15:56:08,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:56:08,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:56:08,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:56:08,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:56:08,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:56:08,158 INFO L87 Difference]: Start difference. First operand 36040 states and 51602 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)