./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 430b8b0e2120a8dfe207defa24a65c02d3be96cf ................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 430b8b0e2120a8dfe207defa24a65c02d3be96cf .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:36:50,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:36:50,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:36:50,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:36:50,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:36:50,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:36:50,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:36:50,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:36:50,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:36:50,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:36:50,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:36:50,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:36:50,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:36:50,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:36:50,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:36:50,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:36:50,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:36:50,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:36:50,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:36:50,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:36:50,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:36:50,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:36:50,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:36:50,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:36:50,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:36:50,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:36:50,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:36:50,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:36:50,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:36:50,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:36:50,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:36:50,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:36:50,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:36:50,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:36:50,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:36:50,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:36:50,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:36:50,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:36:50,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:36:50,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:36:50,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:36:50,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-30 01:36:50,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:36:50,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:36:50,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:36:50,808 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:36:50,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:36:50,809 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:36:50,810 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:36:50,810 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:36:50,810 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:36:50,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:36:50,811 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:36:50,811 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:36:50,812 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:36:50,812 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:36:50,813 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:36:50,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:36:50,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:36:50,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:36:50,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:36:50,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:36:50,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:36:50,816 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:36:50,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:36:50,816 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:36:50,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:36:50,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:36:50,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:36:50,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:36:50,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:36:50,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:36:50,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:36:50,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:36:50,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:36:50,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:36:50,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:36:50,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:36:50,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:36:50,821 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-30 01:36:50,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 430b8b0e2120a8dfe207defa24a65c02d3be96cf [2020-11-30 01:36:51,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:36:51,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:36:51,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:36:51,147 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:36:51,161 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:36:51,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-30 01:36:51,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/9fdf8c191/27b82ab426404834999294fa671d242a/FLAG31185c5f9 [2020-11-30 01:36:52,448 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:36:52,450 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-30 01:36:52,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/9fdf8c191/27b82ab426404834999294fa671d242a/FLAG31185c5f9 [2020-11-30 01:36:52,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/9fdf8c191/27b82ab426404834999294fa671d242a [2020-11-30 01:36:52,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:36:52,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:36:52,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:36:52,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:36:52,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:36:52,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:36:52" (1/1) ... [2020-11-30 01:36:52,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa2b1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:52, skipping insertion in model container [2020-11-30 01:36:52,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:36:52" (1/1) ... [2020-11-30 01:36:52,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:36:52,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:36:55,341 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,349 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,357 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,427 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,435 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,631 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,646 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,655 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,662 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,675 WARN L548 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2020-11-30 01:36:55,704 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 01:36:55,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b977023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:36:55, skipping insertion in model container [2020-11-30 01:36:55,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:36:55,705 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:36:55,721 INFO L168 Benchmark]: Toolchain (without parser) took 3028.63 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 58.1 MB in the beginning and 48.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:36:55,724 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:36:55,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3023.93 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 57.8 MB in the beginning and 48.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:36:55,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3023.93 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 57.8 MB in the beginning and 48.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7594]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:36:58,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:36:58,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:36:58,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:36:58,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:36:58,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:36:58,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:36:58,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:36:58,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:36:58,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:36:58,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:36:58,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:36:58,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:36:58,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:36:58,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:36:58,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:36:58,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:36:58,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:36:58,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:36:58,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:36:58,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:36:58,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:36:58,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:36:58,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:36:58,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:36:58,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:36:58,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:36:58,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:36:58,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:36:58,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:36:58,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:36:58,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:36:58,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:36:58,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:36:58,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:36:58,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:36:58,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:36:58,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:36:58,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:36:58,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:36:58,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:36:58,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-30 01:36:58,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:36:58,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:36:58,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:36:58,706 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:36:58,707 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:36:58,707 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:36:58,707 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:36:58,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:36:58,708 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:36:58,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:36:58,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:36:58,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:36:58,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:36:58,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:36:58,710 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:36:58,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:36:58,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:36:58,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:36:58,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:36:58,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:36:58,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:36:58,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:36:58,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:36:58,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:36:58,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:36:58,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:36:58,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:36:58,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:36:58,713 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:36:58,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:36:58,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:36:58,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:36:58,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:36:58,717 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 430b8b0e2120a8dfe207defa24a65c02d3be96cf [2020-11-30 01:36:59,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:36:59,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:36:59,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:36:59,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:36:59,222 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:36:59,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-30 01:36:59,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/b4f51cda9/8589a9c5d6c140e193a1989536b1ab7f/FLAG4d9400562 [2020-11-30 01:37:00,599 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:37:00,600 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2020-11-30 01:37:00,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/b4f51cda9/8589a9c5d6c140e193a1989536b1ab7f/FLAG4d9400562 [2020-11-30 01:37:00,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ed13e2b-dda9-4dc9-9915-77830dd8f22d/bin/utaipan/data/b4f51cda9/8589a9c5d6c140e193a1989536b1ab7f [2020-11-30 01:37:00,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:37:00,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:37:00,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:37:00,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:37:00,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:37:00,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:00" (1/1) ... [2020-11-30 01:37:00,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48cd27b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:00, skipping insertion in model container [2020-11-30 01:37:00,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:37:00" (1/1) ... [2020-11-30 01:37:00,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:37:01,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:37:04,085 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 01:37:04,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ca7b13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:37:04, skipping insertion in model container [2020-11-30 01:37:04,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:37:04,087 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:37:04,091 INFO L168 Benchmark]: Toolchain (without parser) took 3356.56 ms. Allocated memory was 62.9 MB in the beginning and 96.5 MB in the end (delta: 33.6 MB). Free memory was 36.4 MB in the beginning and 39.2 MB in the end (delta: -2.8 MB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:37:04,093 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:37:04,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3353.44 ms. Allocated memory was 62.9 MB in the beginning and 96.5 MB in the end (delta: 33.6 MB). Free memory was 36.2 MB in the beginning and 39.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:37:04,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 62.9 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3353.44 ms. Allocated memory was 62.9 MB in the beginning and 96.5 MB in the end (delta: 33.6 MB). Free memory was 36.2 MB in the beginning and 39.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7594]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...