./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-spinlock_drivers-media-usb-em28xx-em28xx-v4l.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_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/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 5340bf17546db607ed31b5f063e2479b5dbce9cb .......................................................................................................................................... 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_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/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 5340bf17546db607ed31b5f063e2479b5dbce9cb .................................................................................................................................... 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 01:42:43,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:42:43,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:42:43,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:42:43,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:42:43,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:42:43,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:42:43,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:42:43,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:42:43,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:42:43,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:42:43,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:42:43,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:42:43,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:42:43,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:42:43,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:42:43,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:42:43,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:42:43,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:42:43,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:42:43,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:42:43,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:42:43,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:42:43,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:42:43,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:42:43,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:42:43,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:42:43,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:42:43,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:42:43,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:42:43,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:42:43,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:42:43,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:42:43,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:42:43,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:42:43,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:42:43,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:42:43,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:42:43,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:42:43,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:42:43,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:42:43,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2020-11-30 01:42:43,767 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:42:43,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:42:43,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:42:43,770 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:42:43,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:42:43,771 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:42:43,771 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:42:43,772 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:42:43,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:42:43,772 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:42:43,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:42:43,774 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:42:43,775 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:42:43,775 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:42:43,776 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:42:43,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:42:43,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:42:43,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:42:43,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:42:43,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:42:43,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:42:43,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:42:43,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:42:43,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:42:43,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:42:43,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:42:43,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:42:43,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:42:43,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:42:43,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:42:43,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:42:43,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:42:43,785 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:42:43,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:42:43,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:42:43,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:42:43,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:42:43,787 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-11-30 01:42:43,787 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_ca0b4dfe-659c-4349-808f-eecaa81aed39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-11-30 01:42:44,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:42:44,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:42:44,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:42:44,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:42:44,192 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:42:44,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-30 01:42:44,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/fa545cfde/5539d5224a6f42f28d8fde694542e1c4/FLAG743b5aa6a [2020-11-30 01:42:45,526 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:42:45,527 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-30 01:42:45,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/fa545cfde/5539d5224a6f42f28d8fde694542e1c4/FLAG743b5aa6a [2020-11-30 01:42:45,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/fa545cfde/5539d5224a6f42f28d8fde694542e1c4 [2020-11-30 01:42:45,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:42:45,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:42:45,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:42:45,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:42:45,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:42:45,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:42:45" (1/1) ... [2020-11-30 01:42:45,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137cc01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:42:45, skipping insertion in model container [2020-11-30 01:42:45,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:42:45" (1/1) ... [2020-11-30 01:42:45,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:42:45,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:42:48,336 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 01:42:48,345 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 01:42:48,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77bfb9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:42:48, skipping insertion in model container [2020-11-30 01:42:48,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:42:48,346 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:42:48,350 INFO L168 Benchmark]: Toolchain (without parser) took 2648.51 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 30.0 MB in the beginning and 41.5 MB in the end (delta: -11.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:42:48,351 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:42:48,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2639.96 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 41.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:42:48,355 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 79.7 MB. Free memory was 52.3 MB in the beginning and 52.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2639.96 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 29.8 MB in the beginning and 41.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: 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 01:42:51,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:42:51,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:42:51,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:42:51,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:42:51,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:42:51,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:42:51,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:42:51,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:42:51,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:42:51,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:42:51,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:42:51,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:42:51,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:42:51,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:42:51,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:42:51,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:42:51,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:42:51,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:42:51,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:42:51,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:42:51,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:42:51,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:42:51,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:42:51,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:42:51,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:42:51,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:42:51,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:42:51,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:42:51,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:42:51,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:42:51,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:42:51,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:42:51,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:42:51,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:42:51,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:42:51,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:42:51,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:42:51,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:42:51,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:42:51,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:42:51,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2020-11-30 01:42:51,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:42:51,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:42:51,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:42:51,556 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:42:51,557 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:42:51,557 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:42:51,557 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:42:51,558 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:42:51,558 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:42:51,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:42:51,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:42:51,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:42:51,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:42:51,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:42:51,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:42:51,563 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:42:51,564 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:42:51,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:42:51,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:42:51,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:42:51,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:42:51,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:42:51,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:42:51,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:42:51,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:42:51,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:42:51,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:42:51,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:42:51,570 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:42:51,570 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:42:51,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:42:51,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:42:51,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:42:51,571 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_ca0b4dfe-659c-4349-808f-eecaa81aed39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-11-30 01:42:52,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:42:52,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:42:52,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:42:52,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:42:52,093 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:42:52,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-30 01:42:52,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/813d8e929/450d6b08279246a9926c3aee720f8704/FLAGbc6aa193d [2020-11-30 01:42:53,558 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:42:53,560 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-11-30 01:42:53,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/813d8e929/450d6b08279246a9926c3aee720f8704/FLAGbc6aa193d [2020-11-30 01:42:53,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca0b4dfe-659c-4349-808f-eecaa81aed39/bin/utaipan/data/813d8e929/450d6b08279246a9926c3aee720f8704 [2020-11-30 01:42:53,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:42:53,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:42:53,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:42:53,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:42:53,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:42:53,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:42:53" (1/1) ... [2020-11-30 01:42:53,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5c3bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:42:53, skipping insertion in model container [2020-11-30 01:42:53,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:42:53" (1/1) ... [2020-11-30 01:42:53,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:42:54,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:42:56,407 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-30 01:42:56,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@134d40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:42:56, skipping insertion in model container [2020-11-30 01:42:56,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:42:56,409 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-30 01:42:56,413 INFO L168 Benchmark]: Toolchain (without parser) took 2646.28 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 35.6 MB in the beginning and 33.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:42:56,415 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 40.5 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:42:56,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2640.21 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 35.5 MB in the beginning and 33.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:42:56,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 40.5 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2640.21 ms. Allocated memory was 58.7 MB in the beginning and 88.1 MB in the end (delta: 29.4 MB). Free memory was 35.5 MB in the beginning and 33.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 36.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6826]: 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...