./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7042caef2b07f4b73e0d06f42dcf6069ad2ecac0c225cd34c9db55fea01f29da --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:56:00,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:56:01,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:56:01,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:56:01,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:56:01,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:56:01,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:56:01,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:56:01,035 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:56:01,035 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:56:01,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:56:01,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:56:01,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:56:01,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:56:01,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:56:01,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:56:01,037 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:56:01,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:56:01,038 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7042caef2b07f4b73e0d06f42dcf6069ad2ecac0c225cd34c9db55fea01f29da [2025-03-08 19:56:01,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:56:01,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:56:01,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:56:01,265 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:56:01,265 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:56:01,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2025-03-08 19:56:02,420 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff81bde7/f8d958e1bd85443fb81c644306e79354/FLAG235c1eb52 [2025-03-08 19:56:03,022 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:56:03,023 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2025-03-08 19:56:03,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff81bde7/f8d958e1bd85443fb81c644306e79354/FLAG235c1eb52 [2025-03-08 19:56:03,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff81bde7/f8d958e1bd85443fb81c644306e79354 [2025-03-08 19:56:03,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:56:03,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:56:03,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:56:03,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:56:03,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:56:03,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:56:03" (1/1) ... [2025-03-08 19:56:03,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf7505b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:03, skipping insertion in model container [2025-03-08 19:56:03,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:56:03" (1/1) ... [2025-03-08 19:56:03,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:56:06,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2025-03-08 19:56:06,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:56:06,348 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:56:06,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6154] [2025-03-08 19:56:06,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6156] [2025-03-08 19:56:06,482 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"); [6166] [2025-03-08 19:56:06,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6174-6175] [2025-03-08 19:56:06,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6351] [2025-03-08 19:56:06,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6354] [2025-03-08 19:56:06,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6357] [2025-03-08 19:56:06,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6360] [2025-03-08 19:56:06,490 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; incl %0": "+m" (v->counter)); [6394] [2025-03-08 19:56:06,492 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; decl %0": "+m" (v->counter)); [6401] [2025-03-08 19:56:06,492 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6409-6410] [2025-03-08 19:56:06,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6449] [2025-03-08 19:56:06,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6452] [2025-03-08 19:56:06,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6454] [2025-03-08 19:56:06,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6459] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6462] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6464] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6469] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6472] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6474] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6479] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6482] [2025-03-08 19:56:06,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6484] [2025-03-08 19:56:06,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6502] [2025-03-08 19:56:06,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6505] [2025-03-08 19:56:06,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6507] [2025-03-08 19:56:06,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6512] [2025-03-08 19:56:06,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6515] [2025-03-08 19:56:06,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6517] [2025-03-08 19:56:06,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6522] [2025-03-08 19:56:06,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6525] [2025-03-08 19:56:06,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6527] [2025-03-08 19:56:06,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6532] [2025-03-08 19:56:06,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6535] [2025-03-08 19:56:06,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6537] [2025-03-08 19:56:06,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6617] [2025-03-08 19:56:06,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6624] [2025-03-08 19:56:06,512 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1056), "i" (12UL)); [6887-6888] [2025-03-08 19:56:06,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1714), "i" (12UL)); [7054-7055] [2025-03-08 19:56:06,537 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/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/11985/dscv_tempdir/dscv/ri/43_2a/drivers/net/ppp/ppp_generic.c"), "i" (291), "i" (12UL)); [7404-7405] [2025-03-08 19:56:06,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [7566-7567] [2025-03-08 19:56:06,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [7571-7572] [2025-03-08 19:56:06,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [7576-7577] [2025-03-08 19:56:06,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [7581-7582] [2025-03-08 19:56:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [7628-7629] [2025-03-08 19:56:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [7633-7634] [2025-03-08 19:56:06,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [7638-7639] [2025-03-08 19:56:06,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [7643-7644] [2025-03-08 19:56:06,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [7886-7887] [2025-03-08 19:56:06,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p), "i" (4UL)); [7927-7928] [2025-03-08 19:56:06,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p), "i" (4UL)); [7940-7941] [2025-03-08 19:56:06,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7970] [2025-03-08 19:56:06,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7973] [2025-03-08 19:56:06,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7976] [2025-03-08 19:56:06,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7979] [2025-03-08 19:56:06,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7982] [2025-03-08 19:56:06,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8001-8002] [2025-03-08 19:56:06,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8005-8006] [2025-03-08 19:56:06,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8009-8010] [2025-03-08 19:56:06,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8013-8014] [2025-03-08 19:56:06,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [8017-8018] [2025-03-08 19:56:06,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" (p), "i" (4UL)); [8031-8032] [2025-03-08 19:56:06,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8047-8048] [2025-03-08 19:56:06,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8051-8052] [2025-03-08 19:56:06,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8055-8056] [2025-03-08 19:56:06,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8059-8060] [2025-03-08 19:56:06,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [8063-8064] [2025-03-08 19:56:06,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___3), "=r" (__val_gu___3): "0" (p), "i" (4UL)); [8087-8088] [2025-03-08 19:56:06,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___4), "=r" (__val_gu___4): "0" (p), "i" (4UL)); [8202-8203] [2025-03-08 19:56:06,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (p), "i" (4UL)); [8247-8248] [2025-03-08 19:56:06,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8267] [2025-03-08 19:56:06,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8270] [2025-03-08 19:56:06,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8273] [2025-03-08 19:56:06,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8276] [2025-03-08 19:56:06,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [8279] [2025-03-08 19:56:06,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p), "i" (4UL)); [8292-8293] [2025-03-08 19:56:06,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p), "i" (4UL)); [8314-8315] [2025-03-08 19:56:06,718 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2025-03-08 19:56:06,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:56:06,795 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:56:06,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06 WrapperNode [2025-03-08 19:56:06,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:56:06,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:56:06,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:56:06,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:56:06,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:06,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:07,011 INFO L138 Inliner]: procedures = 336, calls = 2312, calls flagged for inlining = 156, calls inlined = 154, statements flattened = 6498 [2025-03-08 19:56:07,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:56:07,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:56:07,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:56:07,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:56:07,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:07,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:07,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:07,876 INFO L175 MemorySlicer]: Split 1282 memory accesses to 22 slices as follows [2, 11, 4, 7, 4, 4, 1, 16, 907, 10, 2, 10, 7, 5, 7, 29, 6, 11, 6, 4, 221, 8]. 71 percent of accesses are in the largest equivalence class. The 87 initializations are split as follows [2, 0, 4, 7, 4, 4, 1, 16, 19, 0, 0, 10, 6, 0, 6, 0, 0, 0, 0, 0, 0, 8]. The 572 writes are split as follows [0, 1, 0, 0, 0, 0, 0, 0, 294, 2, 2, 0, 0, 5, 0, 29, 4, 10, 2, 2, 221, 0]. [2025-03-08 19:56:07,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:07,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:08,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:08,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:08,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:08,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:08,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:56:08,111 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:56:08,111 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:56:08,112 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:56:08,112 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (1/1) ... [2025-03-08 19:56:08,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:56:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:56:08,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:56:08,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:56:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2025-03-08 19:56:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2025-03-08 19:56:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2025-03-08 19:56:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2025-03-08 19:56:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2025-03-08 19:56:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2025-03-08 19:56:08,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2025-03-08 19:56:08,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __xchg_wrong_size [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2025-03-08 19:56:08,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2025-03-08 19:56:08,166 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:56:08,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 19:56:08,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:56:08,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:56:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2025-03-08 19:56:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 19:56:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2025-03-08 19:56:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2025-03-08 19:56:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2025-03-08 19:56:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2025-03-08 19:56:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:56:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 19:56:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2025-03-08 19:56:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2025-03-08 19:56:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 19:56:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2025-03-08 19:56:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2025-03-08 19:56:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2025-03-08 19:56:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2025-03-08 19:56:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 19:56:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2025-03-08 19:56:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-08 19:56:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2025-03-08 19:56:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2025-03-08 19:56:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2025-03-08 19:56:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2025-03-08 19:56:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:56:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:56:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:56:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:56:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:56:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 19:56:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2025-03-08 19:56:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2025-03-08 19:56:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2025-03-08 19:56:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2025-03-08 19:56:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2025-03-08 19:56:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2025-03-08 19:56:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2025-03-08 19:56:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2025-03-08 19:56:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2025-03-08 19:56:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2025-03-08 19:56:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2025-03-08 19:56:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_39 [2025-03-08 19:56:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_39 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 19:56:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2025-03-08 19:56:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2025-03-08 19:56:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2025-03-08 19:56:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 19:56:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-03-08 19:56:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-03-08 19:56:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-03-08 19:56:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-03-08 19:56:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2025-03-08 19:56:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2025-03-08 19:56:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2025-03-08 19:56:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2025-03-08 19:56:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __bad_percpu_size [2025-03-08 19:56:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2025-03-08 19:56:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2025-03-08 19:56:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2025-03-08 19:56:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2025-03-08 19:56:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2025-03-08 19:56:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 19:56:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 19:56:09,048 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:56:09,052 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:56:09,158 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6980: call ULTIMATE.dealloc(~#__key~0#1.base, ~#__key~0#1.offset);havoc ~#__key~0#1.base, ~#__key~0#1.offset; [2025-03-08 19:56:09,264 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11477: havoc #t~nondet1401; [2025-03-08 19:56:09,339 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6340: havoc list_empty_#t~mem42#1.base, list_empty_#t~mem42#1.offset; [2025-03-08 19:56:09,388 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6712: call ULTIMATE.dealloc(idr_find_~#__u~0#1.base, idr_find_~#__u~0#1.offset);havoc idr_find_~#__u~0#1.base, idr_find_~#__u~0#1.offset;call ULTIMATE.dealloc(idr_find_~#__u___0~0#1.base, idr_find_~#__u___0~0#1.offset);havoc idr_find_~#__u___0~0#1.base, idr_find_~#__u___0~0#1.offset; [2025-03-08 19:56:09,388 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11502: havoc idr_find_slowpath_#t~ret1404#1.base, idr_find_slowpath_#t~ret1404#1.offset; [2025-03-08 19:56:09,963 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11550: havoc memdup_user_#t~ret1409#1.base, memdup_user_#t~ret1409#1.offset; [2025-03-08 19:56:09,963 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7789: havoc #t~mem394#1;call ULTIMATE.dealloc(~#uprog~0#1.base, ~#uprog~0#1.offset);havoc ~#uprog~0#1.base, ~#uprog~0#1.offset; [2025-03-08 19:56:09,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6869: havoc #t~mem191.base, #t~mem191.offset; [2025-03-08 19:56:09,970 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11460: havoc #t~nondet1399; [2025-03-08 19:56:10,021 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6863: havoc #t~mem189.base, #t~mem189.offset;havoc #t~mem190; [2025-03-08 19:56:10,068 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7212: havoc #t~mem274.base, #t~mem274.offset; [2025-03-08 19:56:10,088 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7093: havoc #t~mem240.base, #t~mem240.offset;havoc #t~mem241.base, #t~mem241.offset; [2025-03-08 19:56:10,545 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6875: havoc skb_queue_is_last_#t~mem192#1.base, skb_queue_is_last_#t~mem192#1.offset; [2025-03-08 19:56:10,546 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6893: havoc skb_queue_next_#t~mem195#1.base, skb_queue_next_#t~mem195#1.offset; [2025-03-08 19:56:10,546 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: havoc skb_queue_len_#t~mem206#1; [2025-03-08 19:56:10,553 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11588: havoc #t~nondet1414; [2025-03-08 19:56:10,592 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11426: havoc _copy_to_user_#t~nondet1397#1; [2025-03-08 19:56:10,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11467: havoc capable_#t~nondet1400#1; [2025-03-08 19:56:10,796 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7040: havoc #t~mem219;havoc #t~mem220; [2025-03-08 19:56:10,799 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11496: havoc #t~nondet1403; [2025-03-08 19:56:10,820 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11398: havoc __pskb_pull_tail_#t~ret1393#1.base, __pskb_pull_tail_#t~ret1393#1.offset; [2025-03-08 19:56:11,326 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10277: call ULTIMATE.dealloc(ppp_create_interface_~#__key~4#1.base, ppp_create_interface_~#__key~4#1.offset);havoc ppp_create_interface_~#__key~4#1.base, ppp_create_interface_~#__key~4#1.offset;call ULTIMATE.dealloc(ppp_create_interface_~#__key___0~2#1.base, ppp_create_interface_~#__key___0~2#1.offset);havoc ppp_create_interface_~#__key___0~2#1.base, ppp_create_interface_~#__key___0~2#1.offset; [2025-03-08 19:56:11,326 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7800: call ULTIMATE.dealloc(~#idle~0#1.base, ~#idle~0#1.offset);havoc ~#idle~0#1.base, ~#idle~0#1.offset;call ULTIMATE.dealloc(~#npi~0#1.base, ~#npi~0#1.offset);havoc ~#npi~0#1.base, ~#npi~0#1.offset;call ULTIMATE.dealloc(~#code~1#1.base, ~#code~1#1.offset);havoc ~#code~1#1.base, ~#code~1#1.offset;call ULTIMATE.dealloc(~#pass_filter~0#1.base, ~#pass_filter~0#1.offset);havoc ~#pass_filter~0#1.base, ~#pass_filter~0#1.offset;call ULTIMATE.dealloc(~#fprog~0#1.base, ~#fprog~0#1.offset);havoc ~#fprog~0#1.base, ~#fprog~0#1.offset;call ULTIMATE.dealloc(~#code___0~0#1.base, ~#code___0~0#1.offset);havoc ~#code___0~0#1.base, ~#code___0~0#1.offset;call ULTIMATE.dealloc(~#active_filter~0#1.base, ~#active_filter~0#1.offset);havoc ~#active_filter~0#1.base, ~#active_filter~0#1.offset;call ULTIMATE.dealloc(~#fprog___0~0#1.base, ~#fprog___0~0#1.offset);havoc ~#fprog___0~0#1.base, ~#fprog___0~0#1.offset; [2025-03-08 19:56:11,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11409: havoc __request_module_#t~nondet1395#1; [2025-03-08 19:56:11,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8338: havoc ppp_unattached_ioctl_#t~mem482#1;call ULTIMATE.dealloc(ppp_unattached_ioctl_~#err~1#1.base, ppp_unattached_ioctl_~#err~1#1.offset);havoc ppp_unattached_ioctl_~#err~1#1.base, ppp_unattached_ioctl_~#err~1#1.offset; [2025-03-08 19:56:11,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9933: call ULTIMATE.dealloc(ppp_set_compress_~#data~0#1.base, ppp_set_compress_~#data~0#1.offset);havoc ppp_set_compress_~#data~0#1.base, ppp_set_compress_~#data~0#1.offset;call ULTIMATE.dealloc(ppp_set_compress_~#ccp_option~0#1.base, ppp_set_compress_~#ccp_option~0#1.offset);havoc ppp_set_compress_~#ccp_option~0#1.base, ppp_set_compress_~#ccp_option~0#1.offset; [2025-03-08 19:56:11,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11653: havoc slhc_init_#t~ret1428#1.base, slhc_init_#t~ret1428#1.offset; [2025-03-08 19:56:11,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11456: havoc alloc_netdev_mqs_#t~ret1398#1.base, alloc_netdev_mqs_#t~ret1398#1.offset; [2025-03-08 19:56:11,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11596: havoc register_netdev_#t~nondet1416#1; [2025-03-08 19:56:17,956 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11532: havoc ldv_ndo_uninit_1_#t~nondet1407#1; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11368: havoc __class_create_#t~ret1392#1.base, __class_create_#t~ret1392#1.offset; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11600: havoc register_pernet_device_#t~nondet1417#1; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11405: havoc __register_chrdev_#t~nondet1394#1; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11480: havoc device_create_#t~ret1402#1.base, device_create_#t~ret1402#1.offset; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11580: havoc noop_llseek_#t~nondet1412#1; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11614: havoc skb_copy_datagram_iter_#t~nondet1419#1; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11186: havoc ldv_pskb_expand_head_34_#t~nondet1380#1; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8379: call ULTIMATE.dealloc(ppp_init_~#__key~2#1.base, ppp_init_~#__key~2#1.offset);havoc ppp_init_~#__key~2#1.base, ppp_init_~#__key~2#1.offset; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7521: call ULTIMATE.dealloc(ppp_read_~#wait~0#1.base, ppp_read_~#wait~0#1.offset);havoc ppp_read_~#wait~0#1.base, ppp_read_~#wait~0#1.offset;call ULTIMATE.dealloc(ppp_read_~#iov~0#1.base, ppp_read_~#iov~0#1.offset);havoc ppp_read_~#iov~0#1.base, ppp_read_~#iov~0#1.offset;call ULTIMATE.dealloc(ppp_read_~#to~0#1.base, ppp_read_~#to~0#1.offset);havoc ppp_read_~#to~0#1.base, ppp_read_~#to~0#1.offset; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8349: call ULTIMATE.dealloc(ppp_init_net_~#__key~1#1.base, ppp_init_net_~#__key~1#1.offset);havoc ppp_init_net_~#__key~1#1.base, ppp_init_net_~#__key~1#1.offset;call ULTIMATE.dealloc(ppp_init_net_~#__key___0~0#1.base, ppp_init_net_~#__key___0~0#1.offset);havoc ppp_init_net_~#__key___0~0#1.base, ppp_init_net_~#__key___0~0#1.offset; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11524: havoc ldv_ndo_open_1_#t~nondet1405#1; [2025-03-08 19:56:17,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11528: havoc ldv_ndo_stop_1_#t~nondet1406#1; [2025-03-08 19:56:17,958 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10770: call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg7~0#1.base, main_~#ldvarg7~0#1.offset);havoc main_~#ldvarg7~0#1.base, main_~#ldvarg7~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg5~0#1.base, main_~#ldvarg5~0#1.offset);havoc main_~#ldvarg5~0#1.base, main_~#ldvarg5~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset);havoc main_~#ldvarg6~0#1.base, main_~#ldvarg6~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset);havoc main_~#ldvarg4~0#1.base, main_~#ldvarg4~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg13~0#1.base, main_~#ldvarg13~0#1.offset);havoc main_~#ldvarg13~0#1.base, main_~#ldvarg13~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg10~0#1.base, main_~#ldvarg10~0#1.offset);havoc main_~#ldvarg10~0#1.base, main_~#ldvarg10~0#1.offset; [2025-03-08 19:56:19,097 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11617: havoc #t~ret1420.base, #t~ret1420.offset; [2025-03-08 19:56:19,138 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:56:19,252 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11626: havoc #t~ret1423.base, #t~ret1423.offset; [2025-03-08 19:56:19,854 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6381: havoc #t~mem53; [2025-03-08 19:56:19,951 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10363: call ULTIMATE.dealloc(~#__key~5#1.base, ~#__key~5#1.offset);havoc ~#__key~5#1.base, ~#__key~5#1.offset; [2025-03-08 19:56:21,832 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11647: havoc slhc_compress_#t~nondet1427#1; [2025-03-08 19:56:21,832 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8667: call ULTIMATE.dealloc(~#cp~0#1.base, ~#cp~0#1.offset);havoc ~#cp~0#1.base, ~#cp~0#1.offset; [2025-03-08 19:56:21,912 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11661: havoc slhc_toss_#t~nondet1430#1; [2025-03-08 19:56:21,975 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11584: havoc #t~nondet1413; [2025-03-08 19:56:22,086 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6182: havoc #t~bitwise7; [2025-03-08 19:56:22,261 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11669: havoc try_module_get_#t~nondet1432#1; [2025-03-08 19:56:23,473 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8467: call ULTIMATE.dealloc(~#stats~0#1.base, ~#stats~0#1.offset);havoc ~#stats~0#1.base, ~#stats~0#1.offset;call ULTIMATE.dealloc(~#cstats~0#1.base, ~#cstats~0#1.offset);havoc ~#cstats~0#1.base, ~#cstats~0#1.offset; [2025-03-08 19:56:24,797 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11592: havoc rcu_read_lock_held_#t~nondet1415#1; [2025-03-08 19:56:24,798 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7331: call ULTIMATE.dealloc(~#__u~1#1.base, ~#__u~1#1.offset);havoc ~#__u~1#1.base, ~#__u~1#1.offset; [2025-03-08 19:56:27,327 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11665: havoc slhc_uncompress_#t~nondet1431#1; [2025-03-08 19:56:27,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11573: havoc netif_rx_#t~nondet1411#1; [2025-03-08 19:56:27,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11623: havoc skb_pull_rcsum_#t~ret1422#1.base, skb_pull_rcsum_#t~ret1422#1.offset; [2025-03-08 19:56:27,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11657: havoc slhc_remember_#t~nondet1429#1; [2025-03-08 19:56:27,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11130: havoc ldv_pskb_expand_head_26_#t~nondet1374#1; [2025-03-08 19:56:27,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7034: havoc skb_is_nonlinear_#t~mem218#1; [2025-03-08 19:56:27,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11610: havoc skb_copy_bits_#t~nondet1418#1; [2025-03-08 19:56:27,328 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7101: havoc skb_tailroom_#t~ite245#1;havoc skb_tailroom_#t~mem243#1;havoc skb_tailroom_#t~mem244#1; [2025-03-08 19:56:27,584 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11620: havoc #t~ret1421.base, #t~ret1421.offset; [2025-03-08 19:56:27,638 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11563: havoc #t~nondet1410; [2025-03-08 19:56:28,420 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L11422: havoc _copy_from_user_#t~nondet1396#1; [2025-03-08 19:56:28,564 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6419: havoc atomic64_read_#t~mem54#1; [2025-03-08 19:56:28,764 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9801: call ULTIMATE.dealloc(~#__key~3#1.base, ~#__key~3#1.offset);havoc ~#__key~3#1.base, ~#__key~3#1.offset;call ULTIMATE.dealloc(~#__key___0~1#1.base, ~#__key___0~1#1.offset);havoc ~#__key___0~1#1.base, ~#__key___0~1#1.offset;call ULTIMATE.dealloc(~#__key___1~0#1.base, ~#__key___1~0#1.offset);havoc ~#__key___1~0#1.base, ~#__key___1~0#1.offset; [2025-03-08 19:56:31,589 INFO L? ?]: Removed 3398 outVars from TransFormulas that were not future-live. [2025-03-08 19:56:31,589 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:56:31,666 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:56:31,666 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:56:31,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:56:31 BoogieIcfgContainer [2025-03-08 19:56:31,667 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:56:31,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:56:31,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:56:31,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:56:31,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:56:03" (1/3) ... [2025-03-08 19:56:31,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f21b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:56:31, skipping insertion in model container [2025-03-08 19:56:31,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:56:06" (2/3) ... [2025-03-08 19:56:31,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f21b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:56:31, skipping insertion in model container [2025-03-08 19:56:31,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:56:31" (3/3) ... [2025-03-08 19:56:31,674 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2025-03-08 19:56:31,687 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:56:31,691 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i that has 172 procedures, 2609 locations, 1 initial locations, 67 loop locations, and 1 error locations. [2025-03-08 19:56:31,784 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:56:31,795 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;@12441cac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:56:31,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:56:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 2423 states, 1742 states have (on average 1.3869115958668197) internal successors, (2416), 1817 states have internal predecessors, (2416), 550 states have call successors, (550), 130 states have call predecessors, (550), 129 states have return successors, (545), 525 states have call predecessors, (545), 545 states have call successors, (545) [2025-03-08 19:56:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-03-08 19:56:31,820 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:31,821 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:31,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:31,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1029732047, now seen corresponding path program 1 times [2025-03-08 19:56:31,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:31,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153809816] [2025-03-08 19:56:31,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:31,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:39,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 226 statements into 1 equivalence classes. [2025-03-08 19:56:39,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 226 of 226 statements. [2025-03-08 19:56:39,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:39,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2025-03-08 19:56:40,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:40,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153809816] [2025-03-08 19:56:40,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153809816] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 19:56:40,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389063327] [2025-03-08 19:56:40,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:40,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 19:56:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:56:40,205 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 19:56:40,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 19:56:47,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 226 statements into 1 equivalence classes. [2025-03-08 19:56:48,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 226 of 226 statements. [2025-03-08 19:56:48,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:48,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:48,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 5024 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 19:56:48,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 19:56:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2025-03-08 19:56:48,552 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 19:56:48,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389063327] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:48,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 19:56:48,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 19:56:48,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753176146] [2025-03-08 19:56:48,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:48,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 19:56:48,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:48,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 19:56:48,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 19:56:48,588 INFO L87 Difference]: Start difference. First operand has 2423 states, 1742 states have (on average 1.3869115958668197) internal successors, (2416), 1817 states have internal predecessors, (2416), 550 states have call successors, (550), 130 states have call predecessors, (550), 129 states have return successors, (545), 525 states have call predecessors, (545), 545 states have call successors, (545) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 19:56:49,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:56:49,305 INFO L93 Difference]: Finished difference Result 4841 states and 7136 transitions. [2025-03-08 19:56:49,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 19:56:49,307 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 226 [2025-03-08 19:56:49,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:56:49,338 INFO L225 Difference]: With dead ends: 4841 [2025-03-08 19:56:49,339 INFO L226 Difference]: Without dead ends: 2391 [2025-03-08 19:56:49,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 19:56:49,359 INFO L435 NwaCegarLoop]: 3436 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 19:56:49,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3436 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 19:56:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2391 states. [2025-03-08 19:56:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2391 to 2391. [2025-03-08 19:56:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2391 states, 1723 states have (on average 1.3778293673824724) internal successors, (2374), 1791 states have internal predecessors, (2374), 539 states have call successors, (539), 129 states have call predecessors, (539), 128 states have return successors, (538), 518 states have call predecessors, (538), 538 states have call successors, (538) [2025-03-08 19:56:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2391 states and 3451 transitions. [2025-03-08 19:56:49,519 INFO L78 Accepts]: Start accepts. Automaton has 2391 states and 3451 transitions. Word has length 226 [2025-03-08 19:56:49,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:56:49,520 INFO L471 AbstractCegarLoop]: Abstraction has 2391 states and 3451 transitions. [2025-03-08 19:56:49,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 19:56:49,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 3451 transitions. [2025-03-08 19:56:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-03-08 19:56:49,525 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:49,526 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:49,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 19:56:49,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 19:56:49,727 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:49,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:49,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1248769223, now seen corresponding path program 1 times [2025-03-08 19:56:49,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:49,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561026578] [2025-03-08 19:56:49,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:49,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:56:56,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 226 statements into 1 equivalence classes. [2025-03-08 19:56:56,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 226 of 226 statements. [2025-03-08 19:56:56,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:56:56,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:56:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2025-03-08 19:56:57,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:56:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561026578] [2025-03-08 19:56:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561026578] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:56:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:56:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:56:57,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496781460] [2025-03-08 19:56:57,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:56:57,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:56:57,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:56:57,313 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:56:57,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:56:57,314 INFO L87 Difference]: Start difference. First operand 2391 states and 3451 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-03-08 19:56:58,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:56:58,987 INFO L93 Difference]: Finished difference Result 6411 states and 9199 transitions. [2025-03-08 19:56:58,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:56:58,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 226 [2025-03-08 19:56:58,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:56:59,014 INFO L225 Difference]: With dead ends: 6411 [2025-03-08 19:56:59,014 INFO L226 Difference]: Without dead ends: 4062 [2025-03-08 19:56:59,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:56:59,025 INFO L435 NwaCegarLoop]: 3891 mSDtfsCounter, 2405 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 7190 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-08 19:56:59,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2405 Valid, 7190 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-08 19:56:59,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4062 states. [2025-03-08 19:56:59,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4062 to 4057. [2025-03-08 19:56:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4057 states, 2938 states have (on average 1.375425459496256) internal successors, (4041), 3058 states have internal predecessors, (4041), 880 states have call successors, (880), 239 states have call predecessors, (880), 238 states have return successors, (879), 841 states have call predecessors, (879), 879 states have call successors, (879) [2025-03-08 19:56:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 4057 states and 5800 transitions. [2025-03-08 19:56:59,159 INFO L78 Accepts]: Start accepts. Automaton has 4057 states and 5800 transitions. Word has length 226 [2025-03-08 19:56:59,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:56:59,161 INFO L471 AbstractCegarLoop]: Abstraction has 4057 states and 5800 transitions. [2025-03-08 19:56:59,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2025-03-08 19:56:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 4057 states and 5800 transitions. [2025-03-08 19:56:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-03-08 19:56:59,165 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:56:59,165 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:56:59,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:56:59,165 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:56:59,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:56:59,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1631139915, now seen corresponding path program 1 times [2025-03-08 19:56:59,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:56:59,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45400584] [2025-03-08 19:56:59,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:56:59,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:57:05,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-03-08 19:57:06,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-03-08 19:57:06,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:57:06,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:57:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2025-03-08 19:57:06,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:57:06,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45400584] [2025-03-08 19:57:06,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45400584] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:57:06,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:57:06,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:57:06,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179830021] [2025-03-08 19:57:06,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:57:06,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:57:06,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:57:06,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:57:06,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:57:06,924 INFO L87 Difference]: Start difference. First operand 4057 states and 5800 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 19:57:08,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:57:08,873 INFO L93 Difference]: Finished difference Result 11805 states and 16941 transitions. [2025-03-08 19:57:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:57:08,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 248 [2025-03-08 19:57:08,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:57:08,916 INFO L225 Difference]: With dead ends: 11805 [2025-03-08 19:57:08,917 INFO L226 Difference]: Without dead ends: 7790 [2025-03-08 19:57:08,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:57:08,934 INFO L435 NwaCegarLoop]: 4038 mSDtfsCounter, 3263 mSDsluCounter, 3287 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 7325 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-03-08 19:57:08,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 7325 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-03-08 19:57:08,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7790 states. [2025-03-08 19:57:09,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7790 to 7745. [2025-03-08 19:57:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7745 states, 5607 states have (on average 1.3754235776707686) internal successors, (7712), 5850 states have internal predecessors, (7712), 1675 states have call successors, (1675), 463 states have call predecessors, (1675), 462 states have return successors, (1757), 1593 states have call predecessors, (1757), 1674 states have call successors, (1757) [2025-03-08 19:57:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7745 states to 7745 states and 11144 transitions. [2025-03-08 19:57:09,190 INFO L78 Accepts]: Start accepts. Automaton has 7745 states and 11144 transitions. Word has length 248 [2025-03-08 19:57:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:57:09,191 INFO L471 AbstractCegarLoop]: Abstraction has 7745 states and 11144 transitions. [2025-03-08 19:57:09,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-08 19:57:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 7745 states and 11144 transitions. [2025-03-08 19:57:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2025-03-08 19:57:09,196 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:57:09,196 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:57:09,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:57:09,196 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:57:09,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:57:09,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2039137252, now seen corresponding path program 1 times [2025-03-08 19:57:09,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:57:09,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357450309] [2025-03-08 19:57:09,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:57:09,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:57:16,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-03-08 19:57:16,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-03-08 19:57:16,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:57:16,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:57:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2025-03-08 19:57:16,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:57:16,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357450309] [2025-03-08 19:57:16,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357450309] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:57:16,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:57:16,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:57:16,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395695959] [2025-03-08 19:57:16,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:57:16,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:57:16,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:57:16,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:57:16,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:57:16,959 INFO L87 Difference]: Start difference. First operand 7745 states and 11144 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 19:57:17,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:57:17,758 INFO L93 Difference]: Finished difference Result 15448 states and 22231 transitions. [2025-03-08 19:57:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:57:17,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 290 [2025-03-08 19:57:17,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:57:17,803 INFO L225 Difference]: With dead ends: 15448 [2025-03-08 19:57:17,803 INFO L226 Difference]: Without dead ends: 7745 [2025-03-08 19:57:17,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:57:17,831 INFO L435 NwaCegarLoop]: 3387 mSDtfsCounter, 3447 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3447 SdHoareTripleChecker+Valid, 3387 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:57:17,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3447 Valid, 3387 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 19:57:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7745 states. [2025-03-08 19:57:18,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7745 to 7745. [2025-03-08 19:57:18,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7745 states, 5607 states have (on average 1.3747101836989477) internal successors, (7708), 5850 states have internal predecessors, (7708), 1675 states have call successors, (1675), 463 states have call predecessors, (1675), 462 states have return successors, (1757), 1593 states have call predecessors, (1757), 1674 states have call successors, (1757) [2025-03-08 19:57:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7745 states to 7745 states and 11140 transitions. [2025-03-08 19:57:18,076 INFO L78 Accepts]: Start accepts. Automaton has 7745 states and 11140 transitions. Word has length 290 [2025-03-08 19:57:18,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:57:18,077 INFO L471 AbstractCegarLoop]: Abstraction has 7745 states and 11140 transitions. [2025-03-08 19:57:18,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2025-03-08 19:57:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 7745 states and 11140 transitions. [2025-03-08 19:57:18,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2025-03-08 19:57:18,082 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:57:18,082 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:57:18,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:57:18,082 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:57:18,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:57:18,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1091380384, now seen corresponding path program 1 times [2025-03-08 19:57:18,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:57:18,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776950175] [2025-03-08 19:57:18,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:57:18,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:57:24,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 307 statements into 1 equivalence classes. [2025-03-08 19:57:24,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 307 of 307 statements. [2025-03-08 19:57:24,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:57:24,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:57:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2025-03-08 19:57:25,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:57:25,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776950175] [2025-03-08 19:57:25,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776950175] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:57:25,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:57:25,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:57:25,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985509082] [2025-03-08 19:57:25,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:57:25,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:57:25,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:57:25,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:57:25,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:57:25,314 INFO L87 Difference]: Start difference. First operand 7745 states and 11140 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2025-03-08 19:57:26,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:57:26,539 INFO L93 Difference]: Finished difference Result 7752 states and 11150 transitions. [2025-03-08 19:57:26,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:57:26,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 307 [2025-03-08 19:57:26,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:57:26,592 INFO L225 Difference]: With dead ends: 7752 [2025-03-08 19:57:26,592 INFO L226 Difference]: Without dead ends: 7749 [2025-03-08 19:57:26,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:57:26,598 INFO L435 NwaCegarLoop]: 3387 mSDtfsCounter, 0 mSDsluCounter, 3382 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6769 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:57:26,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6769 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-03-08 19:57:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7749 states. [2025-03-08 19:57:26,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7749 to 7749. [2025-03-08 19:57:26,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7749 states, 5611 states have (on average 1.3744430582783818) internal successors, (7712), 5854 states have internal predecessors, (7712), 1675 states have call successors, (1675), 463 states have call predecessors, (1675), 462 states have return successors, (1757), 1593 states have call predecessors, (1757), 1674 states have call successors, (1757) [2025-03-08 19:57:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7749 states to 7749 states and 11144 transitions. [2025-03-08 19:57:26,823 INFO L78 Accepts]: Start accepts. Automaton has 7749 states and 11144 transitions. Word has length 307 [2025-03-08 19:57:26,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:57:26,824 INFO L471 AbstractCegarLoop]: Abstraction has 7749 states and 11144 transitions. [2025-03-08 19:57:26,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2025-03-08 19:57:26,826 INFO L276 IsEmpty]: Start isEmpty. Operand 7749 states and 11144 transitions. [2025-03-08 19:57:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2025-03-08 19:57:26,828 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:57:26,829 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:57:26,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:57:26,829 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:57:26,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:57:26,829 INFO L85 PathProgramCache]: Analyzing trace with hash 708716834, now seen corresponding path program 1 times [2025-03-08 19:57:26,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:57:26,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394340153] [2025-03-08 19:57:26,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:57:26,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms