./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.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 0b786c7288de9cf8dd0401decdda2bff73e49ac511bb0e3840e790a5ca68ebcc --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 20:20:08,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 20:20:08,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 20:20:08,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 20:20:08,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 20:20:08,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 20:20:08,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 20:20:08,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 20:20:08,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 20:20:08,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 20:20:08,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 20:20:08,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 20:20:08,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 20:20:08,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 20:20:08,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 20:20:08,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 20:20:08,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 20:20:08,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 20:20:08,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 20:20:08,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 20:20:08,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 20:20:08,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 20:20:08,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 20:20:08,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 20:20:08,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 20:20:08,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 20:20:08,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 20:20:08,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 20:20:08,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 20:20:08,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 20:20:08,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 20:20:08,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 20:20:08,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 20:20:08,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 20:20:08,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 20:20:08,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 20:20:08,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 20:20:08,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 20:20:08,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 20:20:08,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 20:20:08,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 20:20:08,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 20:20:08,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 20:20:08,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 20:20:08,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 20:20:08,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 20:20:08,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 20:20:08,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 20:20:08,725 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 20:20:08,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 20:20:08,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 20:20:08,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 20:20:08,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 20:20:08,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 20:20:08,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 20:20:08,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 20:20:08,727 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 20:20:08,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 20:20:08,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 20:20:08,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 20:20:08,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 20:20:08,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 20:20:08,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 20:20:08,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 20:20:08,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 20:20:08,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 20:20:08,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 20:20:08,729 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 20:20:08,729 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 20:20:08,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 20:20:08,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 20:20:08,730 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b786c7288de9cf8dd0401decdda2bff73e49ac511bb0e3840e790a5ca68ebcc [2021-11-05 20:20:08,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 20:20:09,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 20:20:09,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 20:20:09,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 20:20:09,015 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 20:20:09,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-05 20:20:09,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f675f155/04779cc5595743d3b19a62dd7b8ea162/FLAG22b50bda2 [2021-11-05 20:20:09,810 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 20:20:09,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-05 20:20:09,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f675f155/04779cc5595743d3b19a62dd7b8ea162/FLAG22b50bda2 [2021-11-05 20:20:10,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f675f155/04779cc5595743d3b19a62dd7b8ea162 [2021-11-05 20:20:10,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 20:20:10,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 20:20:10,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 20:20:10,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 20:20:10,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 20:20:10,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:20:10" (1/1) ... [2021-11-05 20:20:10,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42944279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:10, skipping insertion in model container [2021-11-05 20:20:10,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:20:10" (1/1) ... [2021-11-05 20:20:10,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 20:20:10,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 20:20:11,953 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352069,352082] [2021-11-05 20:20:11,955 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352235,352248] [2021-11-05 20:20:11,955 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352399,352412] [2021-11-05 20:20:11,955 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352564,352577] [2021-11-05 20:20:11,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:20:12,026 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 20:20:12,273 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352069,352082] [2021-11-05 20:20:12,273 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352235,352248] [2021-11-05 20:20:12,274 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352399,352412] [2021-11-05 20:20:12,274 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_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[352564,352577] [2021-11-05 20:20:12,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 20:20:12,402 INFO L208 MainTranslator]: Completed translation [2021-11-05 20:20:12,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:12 WrapperNode [2021-11-05 20:20:12,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 20:20:12,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 20:20:12,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 20:20:12,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 20:20:12,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:12" (1/1) ... [2021-11-05 20:20:12,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:12" (1/1) ...