./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.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-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.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 fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 19:49:58,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 19:49:58,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 19:49:58,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 19:49:58,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 19:49:58,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 19:49:58,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 19:49:58,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 19:49:58,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 19:49:58,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 19:49:58,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 19:49:58,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 19:49:58,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 19:49:58,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 19:49:58,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 19:49:58,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 19:49:58,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 19:49:58,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 19:49:58,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 19:49:58,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 19:49:58,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 19:49:58,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 19:49:58,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 19:49:58,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 19:49:58,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 19:49:58,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 19:49:58,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 19:49:58,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 19:49:58,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 19:49:58,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 19:49:58,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 19:49:58,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 19:49:58,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 19:49:58,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 19:49:58,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 19:49:58,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 19:49:58,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 19:49:58,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 19:49:58,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 19:49:58,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 19:49:58,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 19:49:58,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 19:49:58,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 19:49:58,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 19:49:58,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 19:49:58,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 19:49:58,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 19:49:58,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 19:49:58,603 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 19:49:58,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 19:49:58,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 19:49:58,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 19:49:58,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 19:49:58,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 19:49:58,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 19:49:58,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 19:49:58,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 19:49:58,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 19:49:58,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 19:49:58,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 19:49:58,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 19:49:58,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 19:49:58,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 19:49:58,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 19:49:58,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 19:49:58,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 19:49:58,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 19:49:58,607 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 19:49:58,607 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 19:49:58,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 19:49:58,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 19:49:58,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb901e431a7ee0706f0e51d89ec94e4336f8310f955de577abd9c91b26865dbf [2021-11-06 19:49:58,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 19:49:58,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 19:49:58,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 19:49:58,836 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 19:49:58,836 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 19:49:58,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-06 19:49:58,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da44524ec/19998ef7bc0245a09ad249976add269c/FLAG82098fcd6 [2021-11-06 19:49:59,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 19:49:59,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i [2021-11-06 19:49:59,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da44524ec/19998ef7bc0245a09ad249976add269c/FLAG82098fcd6 [2021-11-06 19:49:59,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da44524ec/19998ef7bc0245a09ad249976add269c [2021-11-06 19:49:59,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 19:49:59,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 19:49:59,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 19:49:59,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 19:49:59,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 19:49:59,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:49:59" (1/1) ... [2021-11-06 19:49:59,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e98139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:49:59, skipping insertion in model container [2021-11-06 19:49:59,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:49:59" (1/1) ... [2021-11-06 19:49:59,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 19:50:00,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 19:50:04,196 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2021-11-06 19:50:04,198 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2021-11-06 19:50:04,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2021-11-06 19:50:04,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2021-11-06 19:50:04,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 19:50:04,271 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 19:50:04,660 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620437,620450] [2021-11-06 19:50:04,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620606,620619] [2021-11-06 19:50:04,661 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620773,620786] [2021-11-06 19:50:04,662 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-airo.cil.i[620941,620954] [2021-11-06 19:50:04,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 19:50:04,868 INFO L208 MainTranslator]: Completed translation [2021-11-06 19:50:04,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:50:04 WrapperNode [2021-11-06 19:50:04,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 19:50:04,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 19:50:04,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 19:50:04,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 19:50:04,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:50:04" (1/1) ... [2021-11-06 19:50:05,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:50:04" (1/1) ...