./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/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_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu --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-9bd2c7f [2023-11-19 07:38:48,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:48,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:38:48,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:48,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:48,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:48,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:48,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:48,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:38:48,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:38:48,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:48,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:48,770 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:48,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:48,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:38:48,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:48,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:48,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:38:48,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:38:48,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:38:48,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:48,776 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:48,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:48,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:48,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:38:48,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:48,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:48,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:38:48,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:38:48,781 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:48,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:38:48,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:38:48,783 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:38:48,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:38:48,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:38:48,784 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:38:48,785 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_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2023-11-19 07:38:49,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:49,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:49,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:49,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:49,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:49,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:38:52,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:38:52,969 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:38:52,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/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 [2023-11-19 07:38:53,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/data/98f691cce/88a571b5f7214834916c1af386834f9c/FLAG825d72a5c [2023-11-19 07:38:53,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/data/98f691cce/88a571b5f7214834916c1af386834f9c [2023-11-19 07:38:53,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:38:53,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:38:53,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:53,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:38:53,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:38:53,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:53" (1/1) ... [2023-11-19 07:38:53,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f61655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:53, skipping insertion in model container [2023-11-19 07:38:53,056 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:38:53" (1/1) ... [2023-11-19 07:38:53,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:38:55,329 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_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/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] [2023-11-19 07:38:55,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:55,464 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:38:55,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6100] [2023-11-19 07:38:55,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6102] [2023-11-19 07:38:55,654 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] [2023-11-19 07:38:55,655 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] [2023-11-19 07:38:55,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6230] [2023-11-19 07:38:55,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6233] [2023-11-19 07:38:55,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [6235] [2023-11-19 07:38:55,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6240] [2023-11-19 07:38:55,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6243] [2023-11-19 07:38:55,668 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6245] [2023-11-19 07:38:55,669 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6250] [2023-11-19 07:38:55,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6253] [2023-11-19 07:38:55,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [6255] [2023-11-19 07:38:55,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6260] [2023-11-19 07:38:55,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6263] [2023-11-19 07:38:55,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [6265] [2023-11-19 07:38:55,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [6283] [2023-11-19 07:38:55,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [6286] [2023-11-19 07:38:55,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [6288] [2023-11-19 07:38:55,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [6293] [2023-11-19 07:38:55,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [6296] [2023-11-19 07:38:55,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6298] [2023-11-19 07:38:55,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [6303] [2023-11-19 07:38:55,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [6306] [2023-11-19 07:38:55,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [6308] [2023-11-19 07:38:55,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [6313] [2023-11-19 07:38:55,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [6316] [2023-11-19 07:38:55,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [6318] [2023-11-19 07:38:55,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6371] [2023-11-19 07:38:55,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6378] [2023-11-19 07:38:55,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6462] [2023-11-19 07:38:55,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6470] [2023-11-19 07:38:55,974 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_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/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] [2023-11-19 07:38:55,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:38:56,081 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:56,081 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:38:56,089 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:38:56,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56 WrapperNode [2023-11-19 07:38:56,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:38:56,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:56,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:38:56,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:38:56,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,462 INFO L138 Inliner]: procedures = 237, calls = 2110, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 5073 [2023-11-19 07:38:56,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:38:56,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:38:56,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:38:56,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:38:56,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:38:56,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:38:56,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:38:56,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:38:56,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (1/1) ... [2023-11-19 07:38:56,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:38:56,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:38:56,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:38:56,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b469a57-ed0b-49b4-b7bc-3151e8f44e0d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:38:56,916 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2023-11-19 07:38:56,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2023-11-19 07:38:56,918 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2023-11-19 07:38:56,920 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2023-11-19 07:38:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:38:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:38:56,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:38:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:38:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2023-11-19 07:38:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2023-11-19 07:38:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:38:56,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:38:56,921 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2023-11-19 07:38:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2023-11-19 07:38:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2023-11-19 07:38:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2023-11-19 07:38:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:38:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:38:56,922 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:38:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:38:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:38:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:38:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:38:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:38:56,923 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-19 07:38:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-19 07:38:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2023-11-19 07:38:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2023-11-19 07:38:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 07:38:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 07:38:56,924 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2023-11-19 07:38:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2023-11-19 07:38:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:38:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:38:56,925 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2023-11-19 07:38:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2023-11-19 07:38:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2023-11-19 07:38:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2023-11-19 07:38:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:38:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:38:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:38:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:38:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2023-11-19 07:38:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2023-11-19 07:38:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2023-11-19 07:38:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2023-11-19 07:38:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2023-11-19 07:38:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2023-11-19 07:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:38:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:38:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2023-11-19 07:38:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2023-11-19 07:38:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2023-11-19 07:38:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2023-11-19 07:38:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 07:38:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 07:38:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:38:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:38:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2023-11-19 07:38:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2023-11-19 07:38:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:38:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:38:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:38:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:38:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2023-11-19 07:38:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2023-11-19 07:38:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2023-11-19 07:38:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2023-11-19 07:38:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:38:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:38:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:38:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:38:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-19 07:38:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-19 07:38:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2023-11-19 07:38:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2023-11-19 07:38:56,934 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:38:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:38:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:38:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:38:56,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:38:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:38:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2023-11-19 07:38:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2023-11-19 07:38:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2023-11-19 07:38:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2023-11-19 07:38:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:38:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2023-11-19 07:38:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2023-11-19 07:38:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2023-11-19 07:38:56,937 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2023-11-19 07:38:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:38:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2023-11-19 07:38:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2023-11-19 07:38:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:38:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:38:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2023-11-19 07:38:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2023-11-19 07:38:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-19 07:38:56,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-19 07:38:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:38:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:38:56,940 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:38:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:38:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:38:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2023-11-19 07:38:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2023-11-19 07:38:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 07:38:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 07:38:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:38:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:38:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2023-11-19 07:38:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2023-11-19 07:38:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 07:38:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 07:38:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:38:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-19 07:38:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-19 07:38:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 07:38:56,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 07:38:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 07:38:56,948 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 07:38:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2023-11-19 07:38:56,949 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2023-11-19 07:38:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-19 07:38:56,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-19 07:38:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:38:56,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:38:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2023-11-19 07:38:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2023-11-19 07:38:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2023-11-19 07:38:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2023-11-19 07:38:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:38:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:38:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2023-11-19 07:38:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2023-11-19 07:38:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:38:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2023-11-19 07:38:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2023-11-19 07:38:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:38:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:38:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:38:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:38:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:38:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:38:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 07:38:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 07:38:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:38:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-19 07:38:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-19 07:38:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2023-11-19 07:38:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2023-11-19 07:38:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2023-11-19 07:38:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2023-11-19 07:38:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2023-11-19 07:38:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2023-11-19 07:38:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2023-11-19 07:38:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2023-11-19 07:38:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2023-11-19 07:38:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2023-11-19 07:38:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2023-11-19 07:38:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2023-11-19 07:38:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2023-11-19 07:38:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2023-11-19 07:38:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:38:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:38:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2023-11-19 07:38:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2023-11-19 07:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 07:38:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 07:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2023-11-19 07:38:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2023-11-19 07:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:38:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-11-19 07:38:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-11-19 07:38:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2023-11-19 07:38:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2023-11-19 07:38:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2023-11-19 07:38:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2023-11-19 07:38:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:38:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:38:57,716 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:38:57,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:38:58,290 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:39:06,114 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:06,138 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:06,138 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:39:06,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:06 BoogieIcfgContainer [2023-11-19 07:39:06,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:06,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:39:06,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:39:06,164 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:39:06,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:38:53" (1/3) ... [2023-11-19 07:39:06,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8b49b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:06, skipping insertion in model container [2023-11-19 07:39:06,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:38:56" (2/3) ... [2023-11-19 07:39:06,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8b49b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:39:06, skipping insertion in model container [2023-11-19 07:39:06,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:06" (3/3) ... [2023-11-19 07:39:06,167 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2023-11-19 07:39:06,188 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:39:06,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:39:06,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:39:06,300 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;@69b1e118, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:39:06,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:39:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 2087 states, 1344 states have (on average 1.365327380952381) internal successors, (1835), 1388 states have internal predecessors, (1835), 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) [2023-11-19 07:39:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 07:39:06,376 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:06,377 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:06,377 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:06,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:06,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1039135983, now seen corresponding path program 1 times [2023-11-19 07:39:06,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:06,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753325828] [2023-11-19 07:39:06,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:06,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:39:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:39:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:39:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:39:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:39:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:39:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-19 07:39:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-19 07:39:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-19 07:39:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-19 07:39:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 07:39:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:39:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-19 07:39:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:39:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 07:39:07,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:07,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753325828] [2023-11-19 07:39:07,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753325828] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:07,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:07,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:39:07,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093041491] [2023-11-19 07:39:07,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:07,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:39:07,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:07,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:39:07,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:39:07,863 INFO L87 Difference]: Start difference. First operand has 2087 states, 1344 states have (on average 1.365327380952381) internal successors, (1835), 1388 states have internal predecessors, (1835), 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 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:39:12,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:39:22,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:39:27,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:27,459 INFO L93 Difference]: Finished difference Result 4228 states and 6472 transitions. [2023-11-19 07:39:27,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:39:27,465 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 200 [2023-11-19 07:39:27,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:39:27,519 INFO L225 Difference]: With dead ends: 4228 [2023-11-19 07:39:27,519 INFO L226 Difference]: Without dead ends: 2128 [2023-11-19 07:39:27,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:27,554 INFO L413 NwaCegarLoop]: 1208 mSDtfsCounter, 2502 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 5847 mSolverCounterSat, 2155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 8002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2155 IncrementalHoareTripleChecker+Valid, 5847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:39:27,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 3713 Invalid, 8002 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2155 Valid, 5847 Invalid, 0 Unknown, 0 Unchecked, 18.9s Time] [2023-11-19 07:39:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2023-11-19 07:39:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2069. [2023-11-19 07:39:27,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2069 states, 1335 states have (on average 1.353558052434457) internal successors, (1807), 1370 states have internal predecessors, (1807), 652 states have call successors, (652), 82 states have call predecessors, (652), 81 states have return successors, (651), 640 states have call predecessors, (651), 651 states have call successors, (651) [2023-11-19 07:39:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 2069 states and 3110 transitions. [2023-11-19 07:39:27,871 INFO L78 Accepts]: Start accepts. Automaton has 2069 states and 3110 transitions. Word has length 200 [2023-11-19 07:39:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:39:27,872 INFO L495 AbstractCegarLoop]: Abstraction has 2069 states and 3110 transitions. [2023-11-19 07:39:27,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:39:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 3110 transitions. [2023-11-19 07:39:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 07:39:27,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:39:27,894 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:27,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:39:27,895 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:39:27,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:27,896 INFO L85 PathProgramCache]: Analyzing trace with hash -87998109, now seen corresponding path program 1 times [2023-11-19 07:39:27,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:27,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996602346] [2023-11-19 07:39:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:27,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:39:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:39:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:39:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:39:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:39:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:39:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:39:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:39:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:39:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:39:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:39:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:39:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-19 07:39:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-11-19 07:39:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-19 07:39:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:39:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:39:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-19 07:39:29,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:29,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996602346] [2023-11-19 07:39:29,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996602346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:29,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:29,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:39:29,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931057894] [2023-11-19 07:39:29,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:29,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:39:29,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:29,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:39:29,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:39:29,299 INFO L87 Difference]: Start difference. First operand 2069 states and 3110 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (23), 7 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-19 07:39:37,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []