./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0 --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 63b34c1edd865a95352f647a3349f4b76645de027a037e57173f602f98ecaa61 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:16:19,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:16:19,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:16:19,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:16:19,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:16:19,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:16:19,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:16:19,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:16:19,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:16:19,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:16:19,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:16:19,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:16:19,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:16:19,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:16:19,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:16:19,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:16:19,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:16:19,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:16:19,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:16:19,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:16:19,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:16:19,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:16:19,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:16:19,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:16:19,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:16:19,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:16:19,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:16:19,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:16:19,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:16:19,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:16:19,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:16:19,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:16:19,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:16:19,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:16:19,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:16:19,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:16:19,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:16:19,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:16:19,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:16:19,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:16:19,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:16:19,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 16:16:19,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:16:19,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:16:19,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:16:19,999 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:16:20,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:16:20,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:16:20,007 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:16:20,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:16:20,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:16:20,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:16:20,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:16:20,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:16:20,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:16:20,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:16:20,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:16:20,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:16:20,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:16:20,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:16:20,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:16:20,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:16:20,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:16:20,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:16:20,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:16:20,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:16:20,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:16:20,033 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:16:20,034 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:16:20,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:16:20,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:16:20,034 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_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b34c1edd865a95352f647a3349f4b76645de027a037e57173f602f98ecaa61 [2021-11-22 16:16:20,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:16:20,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:16:20,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:16:20,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:16:20,375 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:16:20,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-22 16:16:20,466 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/data/73842a92c/bd8f6bbb68724005b228c41fcfcb0bc1/FLAG2a75ddcf5 [2021-11-22 16:16:21,712 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:16:21,714 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-22 16:16:21,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/data/73842a92c/bd8f6bbb68724005b228c41fcfcb0bc1/FLAG2a75ddcf5 [2021-11-22 16:16:21,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/bin/uautomizer-w2VwFs6gM0/data/73842a92c/bd8f6bbb68724005b228c41fcfcb0bc1 [2021-11-22 16:16:21,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:16:21,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:16:21,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:21,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:16:21,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:16:21,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:21" (1/1) ... [2021-11-22 16:16:21,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6242cb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:21, skipping insertion in model container [2021-11-22 16:16:21,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:16:21" (1/1) ... [2021-11-22 16:16:21,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:16:22,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:16:25,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347241,347254] [2021-11-22 16:16:25,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347388,347401] [2021-11-22 16:16:25,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347527,347540] [2021-11-22 16:16:25,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347685,347698] [2021-11-22 16:16:25,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:25,261 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:16:25,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347241,347254] [2021-11-22 16:16:25,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347388,347401] [2021-11-22 16:16:25,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347527,347540] [2021-11-22 16:16:25,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_788dfffa-d757-48bc-9389-2bcf6bdbba3f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-media-usb-gspca-gspca_ov519.cil.i[347685,347698] [2021-11-22 16:16:25,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:16:25,983 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:16:25,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:25 WrapperNode [2021-11-22 16:16:25,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:16:25,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:16:25,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:16:25,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:16:25,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:25" (1/1) ... [2021-11-22 16:16:26,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:16:25" (1/1) ...