./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:09:29,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:09:29,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:09:29,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:09:29,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:09:29,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:09:29,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:09:29,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:09:29,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:09:29,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:09:29,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:09:29,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:09:29,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:09:29,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:09:29,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:09:29,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:09:29,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:09:29,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:09:29,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:09:29,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:09:29,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:09:29,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:09:29,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:09:29,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:09:29,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:09:29,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:09:29,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:09:29,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:09:29,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:09:29,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:09:29,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:09:29,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:09:29,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:09:29,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:09:29,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:09:29,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:09:29,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:09:29,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:09:29,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:09:29,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:09:29,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:09:29,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-02-20 23:09:29,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:09:29,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:09:29,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:09:29,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:09:29,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:09:29,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:09:29,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:09:29,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:09:29,908 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:09:29,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:09:29,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:09:29,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:09:29,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 23:09:29,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:09:29,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 23:09:29,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 23:09:29,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:09:29,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 23:09:29,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:09:29,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:09:29,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:09:29,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:09:29,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:09:29,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:09:29,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 23:09:29,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:09:29,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:09:29,911 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 23:09:29,911 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 23:09:29,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 23:09:29,912 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b [2022-02-20 23:09:30,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:09:30,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:09:30,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:09:30,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:09:30,168 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:09:30,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-02-20 23:09:30,239 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb180603/93fc669283c34898bdd86e5b6e48a248/FLAG2d033722d [2022-02-20 23:09:31,081 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:09:31,082 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2022-02-20 23:09:31,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb180603/93fc669283c34898bdd86e5b6e48a248/FLAG2d033722d [2022-02-20 23:09:31,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdb180603/93fc669283c34898bdd86e5b6e48a248 [2022-02-20 23:09:31,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:09:31,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:09:31,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:09:31,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:09:31,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:09:31,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:09:31" (1/1) ... [2022-02-20 23:09:31,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bd65f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:09:31, skipping insertion in model container [2022-02-20 23:09:31,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:09:31" (1/1) ... [2022-02-20 23:09:31,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:09:31,678 INFO L178 MainTranslator]: Built tables and reachable declarations