./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.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 fb94c2fb6abf8f6e03775b6f065b6f69f3e093cdc1a36a25e63dc191517ab003 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 23:00:44,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 23:00:44,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 23:00:44,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 23:00:44,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 23:00:44,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 23:00:44,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 23:00:44,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 23:00:44,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 23:00:44,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 23:00:44,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 23:00:44,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 23:00:44,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 23:00:44,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 23:00:44,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 23:00:44,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 23:00:44,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 23:00:44,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 23:00:44,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 23:00:44,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 23:00:44,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 23:00:44,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 23:00:44,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 23:00:44,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 23:00:44,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 23:00:44,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 23:00:44,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 23:00:44,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 23:00:44,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 23:00:44,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 23:00:44,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 23:00:44,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 23:00:44,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 23:00:44,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 23:00:44,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 23:00:44,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 23:00:44,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 23:00:44,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 23:00:44,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 23:00:44,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 23:00:44,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 23:00:44,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 23:00:44,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 23:00:44,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 23:00:44,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 23:00:44,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 23:00:44,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 23:00:44,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 23:00:44,421 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 23:00:44,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 23:00:44,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 23:00:44,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 23:00:44,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 23:00:44,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 23:00:44,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 23:00:44,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 23:00:44,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 23:00:44,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 23:00:44,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 23:00:44,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 23:00:44,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 23:00:44,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 23:00:44,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 23:00:44,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 23:00:44,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 23:00:44,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 23:00:44,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 23:00:44,424 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 23:00:44,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 23:00:44,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 23:00:44,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 23:00:44,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb94c2fb6abf8f6e03775b6f065b6f69f3e093cdc1a36a25e63dc191517ab003 [2021-11-05 23:00:44,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 23:00:44,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 23:00:44,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 23:00:44,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 23:00:44,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 23:00:44,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2021-11-05 23:00:44,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fa0d9b1/9d4eb44011114797a1bffeddd479d31b/FLAG6bb09c6d7 [2021-11-05 23:00:45,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 23:00:45,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i [2021-11-05 23:00:45,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fa0d9b1/9d4eb44011114797a1bffeddd479d31b/FLAG6bb09c6d7 [2021-11-05 23:00:45,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2fa0d9b1/9d4eb44011114797a1bffeddd479d31b [2021-11-05 23:00:45,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 23:00:45,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 23:00:45,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 23:00:45,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 23:00:45,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 23:00:45,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:00:45" (1/1) ... [2021-11-05 23:00:45,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fc2c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:00:45, skipping insertion in model container [2021-11-05 23:00:45,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:00:45" (1/1) ... [2021-11-05 23:00:45,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 23:00:45,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 23:00:48,713 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464169,464182] [2021-11-05 23:00:48,715 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464338,464351] [2021-11-05 23:00:48,715 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464505,464518] [2021-11-05 23:00:48,716 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464673,464686] [2021-11-05 23:00:48,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:00:48,777 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 23:00:49,067 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464169,464182] [2021-11-05 23:00:49,068 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464338,464351] [2021-11-05 23:00:49,069 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464505,464518] [2021-11-05 23:00:49,069 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-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-velocity.cil.i[464673,464686] [2021-11-05 23:00:49,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 23:00:49,379 INFO L208 MainTranslator]: Completed translation [2021-11-05 23:00:49,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:00:49 WrapperNode [2021-11-05 23:00:49,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 23:00:49,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 23:00:49,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 23:00:49,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 23:00:49,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:00:49" (1/1) ... [2021-11-05 23:00:49,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:00:49" (1/1) ... Killed by 15