./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--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx --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 f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:58:12,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:58:12,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 20:58:12,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:58:12,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:58:12,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:58:12,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:58:12,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:58:12,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:58:12,406 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:58:12,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:58:12,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:58:12,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:58:12,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:58:12,410 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:58:12,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:58:12,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:58:12,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:58:12,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:58:12,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:58:12,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:58:12,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:58:12,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:58:12,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:58:12,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:58:12,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:58:12,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:58:12,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:58:12,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:58:12,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:58:12,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:58:12,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:58:12,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:58:12,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:58:12,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:58:12,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:58:12,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:58:12,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:58:12,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:58:12,422 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2023-11-21 20:58:12,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:58:12,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:58:12,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:58:12,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:58:12,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:58:12,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2023-11-21 20:58:15,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:58:16,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:58:16,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2023-11-21 20:58:16,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/data/ab05d751f/ab70fecec14142789f877d45c24c60d2/FLAG922da09c9 [2023-11-21 20:58:16,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/data/ab05d751f/ab70fecec14142789f877d45c24c60d2 [2023-11-21 20:58:16,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:58:16,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:58:16,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:16,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:58:16,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:58:16,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:16" (1/1) ... [2023-11-21 20:58:16,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6a8e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:16, skipping insertion in model container [2023-11-21 20:58:16,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:16" (1/1) ... [2023-11-21 20:58:16,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:58:18,971 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2023-11-21 20:58:19,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:19,095 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:58:19,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-21 20:58:19,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6102] [2023-11-21 20:58:19,306 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"); [6112] [2023-11-21 20:58:19,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [6119] [2023-11-21 20:58:19,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6230] [2023-11-21 20:58:19,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6233] [2023-11-21 20:58:19,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6235] [2023-11-21 20:58:19,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6240] [2023-11-21 20:58:19,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6243] [2023-11-21 20:58:19,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6245] [2023-11-21 20:58:19,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6250] [2023-11-21 20:58:19,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6253] [2023-11-21 20:58:19,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6255] [2023-11-21 20:58:19,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6260] [2023-11-21 20:58:19,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6263] [2023-11-21 20:58:19,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6265] [2023-11-21 20:58:19,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6283] [2023-11-21 20:58:19,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6286] [2023-11-21 20:58:19,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6288] [2023-11-21 20:58:19,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6293] [2023-11-21 20:58:19,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6296] [2023-11-21 20:58:19,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6298] [2023-11-21 20:58:19,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6303] [2023-11-21 20:58:19,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6306] [2023-11-21 20:58:19,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6308] [2023-11-21 20:58:19,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6313] [2023-11-21 20:58:19,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6316] [2023-11-21 20:58:19,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6318] [2023-11-21 20:58:19,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-21 20:58:19,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6378] [2023-11-21 20:58:19,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6462] [2023-11-21 20:58:19,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6470] [2023-11-21 20:58:19,684 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2023-11-21 20:58:19,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:19,806 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:19,807 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:19,815 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:58:19,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19 WrapperNode [2023-11-21 20:58:19,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:19,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:19,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:58:19,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:58:19,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:19,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:20,138 INFO L138 Inliner]: procedures = 237, calls = 2110, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 5073 [2023-11-21 20:58:20,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:20,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:58:20,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:58:20,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:58:20,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:20,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:20,233 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:20,871 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 20:58:20,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:20,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:21,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:21,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:21,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:21,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:21,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:58:21,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:58:21,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:58:21,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:58:21,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (1/1) ... [2023-11-21 20:58:21,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:58:21,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:21,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:21,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59250801-fd29-4d67-bc83-470d0402140a/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:58:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-21 20:58:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-21 20:58:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2023-11-21 20:58:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2023-11-21 20:58:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 20:58:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 20:58:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 20:58:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 20:58:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-21 20:58:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-21 20:58:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 20:58:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 20:58:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-21 20:58:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-21 20:58:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-21 20:58:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-21 20:58:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 20:58:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 20:58:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-21 20:58:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-21 20:58:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 20:58:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 20:58:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 20:58:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 20:58:21,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-21 20:58:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-21 20:58:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-21 20:58:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-21 20:58:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 20:58:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 20:58:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-21 20:58:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-21 20:58:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 20:58:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 20:58:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-21 20:58:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-21 20:58:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-21 20:58:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-21 20:58:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 20:58:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 20:58:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 20:58:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 20:58:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-21 20:58:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-21 20:58:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-21 20:58:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-21 20:58:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-21 20:58:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-21 20:58:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-21 20:58:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-21 20:58:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:58:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 20:58:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 20:58:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-21 20:58:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-21 20:58:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-21 20:58:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-21 20:58:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-21 20:58:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-21 20:58:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-21 20:58:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-21 20:58:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-21 20:58:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-21 20:58:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 20:58:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 20:58:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:58:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 20:58:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-21 20:58:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-21 20:58:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-21 20:58:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-21 20:58:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 20:58:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 20:58:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 20:58:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 20:58:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-21 20:58:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-21 20:58:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-21 20:58:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-21 20:58:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 20:58:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 20:58:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 20:58:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 20:58:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 20:58:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 20:58:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-21 20:58:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-21 20:58:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-21 20:58:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-21 20:58:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 20:58:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-21 20:58:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-21 20:58:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-21 20:58:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-21 20:58:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 20:58:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-21 20:58:21,313 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-21 20:58:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 20:58:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 20:58:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-21 20:58:21,314 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-21 20:58:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-21 20:58:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-21 20:58:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 20:58:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 20:58:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 20:58:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 20:58:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 20:58:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-21 20:58:21,317 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-21 20:58:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-21 20:58:21,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-21 20:58:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 20:58:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 20:58:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-21 20:58:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-21 20:58:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-21 20:58:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-21 20:58:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 20:58:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-21 20:58:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-21 20:58:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-21 20:58:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-21 20:58:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-21 20:58:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-21 20:58:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-21 20:58:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-21 20:58:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-21 20:58:21,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-21 20:58:21,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 20:58:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 20:58:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-21 20:58:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-21 20:58:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-21 20:58:21,335 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-21 20:58:21,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 20:58:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 20:58:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-21 20:58:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-21 20:58:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 20:58:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-21 20:58:21,336 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-21 20:58:21,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 20:58:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 20:58:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:58:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 20:58:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 20:58:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 20:58:21,337 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-21 20:58:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-21 20:58:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 20:58:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-21 20:58:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-21 20:58:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-21 20:58:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-21 20:58:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-21 20:58:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-21 20:58:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-21 20:58:21,339 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-21 20:58:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-21 20:58:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-21 20:58:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-21 20:58:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-21 20:58:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-21 20:58:21,340 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-21 20:58:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-21 20:58:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-21 20:58:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 20:58:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 20:58:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-21 20:58:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-21 20:58:21,341 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 20:58:21,341 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 20:58:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-21 20:58:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-21 20:58:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 20:58:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-21 20:58:21,342 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-21 20:58:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-21 20:58:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-21 20:58:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-21 20:58:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-21 20:58:21,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:58:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:58:21,981 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:58:21,985 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:58:22,474 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 20:58:30,341 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:58:34,299 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:58:34,299 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 20:58:34,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:34 BoogieIcfgContainer [2023-11-21 20:58:34,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:58:34,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:58:34,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:58:34,309 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:58:34,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:58:16" (1/3) ... [2023-11-21 20:58:34,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dee884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:34, skipping insertion in model container [2023-11-21 20:58:34,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:19" (2/3) ... [2023-11-21 20:58:34,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dee884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:34, skipping insertion in model container [2023-11-21 20:58:34,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:34" (3/3) ... [2023-11-21 20:58:34,314 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2023-11-21 20:58:34,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:58:34,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:58:34,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:58:34,461 INFO L357 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, mHoare=true, 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;@56cb052a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:58:34,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:58:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 1643 states, 900 states have (on average 1.2755555555555556) internal successors, (1148), 944 states have internal predecessors, (1148), 659 states have call successors, (659), 83 states have call predecessors, (659), 82 states have return successors, (652), 641 states have call predecessors, (652), 652 states have call successors, (652) [2023-11-21 20:58:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-21 20:58:34,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:58:34,533 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2023-11-21 20:58:34,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:58:34,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:34,543 INFO L85 PathProgramCache]: Analyzing trace with hash 213153822, now seen corresponding path program 1 times [2023-11-21 20:58:34,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:34,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547203349] [2023-11-21 20:58:34,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:34,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 20:58:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 20:58:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 20:58:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 20:58:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 20:58:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-21 20:58:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-21 20:58:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-21 20:58:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-21 20:58:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-21 20:58:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-21 20:58:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-21 20:58:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-21 20:58:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 20:58:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-21 20:58:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-21 20:58:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-21 20:58:36,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:36,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547203349] [2023-11-21 20:58:36,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547203349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:36,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:36,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 20:58:36,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280177927] [2023-11-21 20:58:36,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:36,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 20:58:36,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:36,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 20:58:36,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-21 20:58:36,524 INFO L87 Difference]: Start difference. First operand has 1643 states, 900 states have (on average 1.2755555555555556) internal successors, (1148), 944 states have internal predecessors, (1148), 659 states have call successors, (659), 83 states have call predecessors, (659), 82 states have return successors, (652), 641 states have call predecessors, (652), 652 states have call successors, (652) Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 7 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-21 20:58:46,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:55,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:58:58,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:59:00,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []