./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:04:19,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:04:19,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:04:19,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:04:19,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:04:19,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:04:19,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:04:19,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:04:19,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:04:19,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:04:19,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:04:19,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:04:19,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:04:19,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:04:19,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:04:19,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:04:19,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:04:19,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:04:19,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:04:19,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:04:19,259 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:04:19,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:04:19,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:04:19,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:04:19,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:04:19,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:04:19,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:04:19,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:04:19,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:04:19,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:04:19,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:04:19,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:04:19,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:04:19,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:04:19,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:04:19,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:04:19,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:04:19,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:04:19,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:04:19,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:04:19,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:04:19,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-21 22:04:19,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:04:19,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:04:19,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:04:19,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:04:19,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:04:19,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:04:19,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:04:19,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:04:19,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:04:19,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:04:19,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:04:19,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:04:19,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:04:19,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:04:19,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:04:19,335 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:04:19,336 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:04:19,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:04:19,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:04:19,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:04:19,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:04:19,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:04:19,337 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:04:19,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:04:19,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:04:19,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28669211a2ef49b5efd7443ec92409c5f49218a96d1252c934deb7757bde86cd [2022-11-21 22:04:19,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:04:19,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:04:19,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:04:19,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:04:19,699 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:04:19,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-11-21 22:04:22,884 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:04:23,683 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:04:23,685 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-11-21 22:04:23,762 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/data/51b7d04fc/0d158f9237c04635b0c56b0c799baad7/FLAGcb45f3ee5 [2022-11-21 22:04:23,779 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c0168d-efa2-4f88-b684-0e69f060d879/bin/ukojak-jW3SillKbg/data/51b7d04fc/0d158f9237c04635b0c56b0c799baad7 [2022-11-21 22:04:23,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:04:23,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:04:23,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:04:23,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:04:23,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:04:23,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:23" (1/1) ... [2022-11-21 22:04:23,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42faf766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:23, skipping insertion in model container [2022-11-21 22:04:23,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:23" (1/1) ... [2022-11-21 22:04:23,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:04:23,982 INFO L178 MainTranslator]: Built tables and reachable declarations