./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/config/KojakReach.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_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak --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 Kojak --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_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/config/KojakReach.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_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak --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 Kojak --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 0.2.0-69874e2 [2020-12-01 18:02:36,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:02:36,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:02:36,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:02:36,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:02:36,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:02:36,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:02:36,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:02:36,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:02:36,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:02:36,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:02:36,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:02:36,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:02:36,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:02:36,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:02:36,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:02:36,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:02:36,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:02:36,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:02:36,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:02:36,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:02:36,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:02:36,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:02:36,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:02:36,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:02:36,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:02:36,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:02:36,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:02:36,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:02:36,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:02:36,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:02:36,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:02:36,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:02:36,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:02:36,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:02:36,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:02:36,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:02:36,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:02:36,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:02:36,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:02:36,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:02:36,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-12-01 18:02:36,690 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:02:36,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:02:36,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:02:36,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:02:36,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:02:36,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:02:36,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:02:36,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:02:36,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:02:36,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:02:36,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:02:36,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:02:36,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:02:36,694 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:02:36,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:02:36,695 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:02:36,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:02:36,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:02:36,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:02:36,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:02:36,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:02:36,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:02:36,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:02:36,697 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:02:36,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:02:36,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:02:36,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:02:36,698 INFO L138 SettingsManager]: * To the following directory=dump/ 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_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-12-01 18:02:36,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:02:36,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:02:36,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:02:36,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:02:36,977 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:02:36,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-12-01 18:02:37,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/84ced20b6/d563fcb0e6f44475ace3382f984fba4f/FLAG9b810e4f9 [2020-12-01 18:02:38,056 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:02:38,057 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-12-01 18:02:38,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/84ced20b6/d563fcb0e6f44475ace3382f984fba4f/FLAG9b810e4f9 [2020-12-01 18:02:38,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/84ced20b6/d563fcb0e6f44475ace3382f984fba4f [2020-12-01 18:02:38,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:02:38,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:02:38,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:38,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:02:38,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:02:38,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:38" (1/1) ... [2020-12-01 18:02:38,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576143dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:38, skipping insertion in model container [2020-12-01 18:02:38,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:38" (1/1) ... [2020-12-01 18:02:38,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:02:38,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:02:40,386 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-12-01 18:02:40,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9d94a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:40, skipping insertion in model container [2020-12-01 18:02:40,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:40,388 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 18:02:40,391 INFO L168 Benchmark]: Toolchain (without parser) took 1858.45 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 46.6 MB in the beginning and 70.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:40,392 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:02:40,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1855.72 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 46.6 MB in the beginning and 70.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:40,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1855.72 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 46.6 MB in the beginning and 70.2 MB in the end (delta: -23.5 MB). Peak memory consumption was 34.2 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 0.2.0-69874e2 [2020-12-01 18:02:42,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:02:42,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:02:42,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:02:42,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:02:42,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:02:42,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:02:42,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:02:42,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:02:42,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:02:42,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:02:42,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:02:42,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:02:42,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:02:42,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:02:42,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:02:42,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:02:42,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:02:42,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:02:42,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:02:42,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:02:42,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:02:42,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:02:42,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:02:42,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:02:42,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:02:42,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:02:42,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:02:42,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:02:42,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:02:42,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:02:42,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:02:42,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:02:42,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:02:42,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:02:42,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:02:42,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:02:42,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:02:42,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:02:42,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:02:42,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:02:42,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2020-12-01 18:02:42,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:02:42,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:02:42,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:02:42,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:02:42,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:02:42,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:02:42,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:02:42,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:02:42,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:02:42,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:02:42,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:02:42,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 18:02:42,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 18:02:42,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 18:02:42,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:02:42,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:02:42,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:02:42,806 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:02:42,806 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:02:42,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:02:42,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:02:42,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:02:42,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:02:42,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:02:42,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:02:42,808 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 18:02:42,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 18:02:42,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:02:42,809 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 18:02:42,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:02:42,809 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-12-01 18:02:42,809 INFO L138 SettingsManager]: * To the following directory=dump/ 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_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5340bf17546db607ed31b5f063e2479b5dbce9cb [2020-12-01 18:02:43,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:02:43,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:02:43,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:02:43,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:02:43,255 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:02:43,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-12-01 18:02:43,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/7967b8b8c/781494ac396e4b6e96ccead9603b0a7e/FLAG2751d7c9d [2020-12-01 18:02:44,282 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:02:44,283 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-em28xx-em28xx-v4l.cil.i [2020-12-01 18:02:44,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/7967b8b8c/781494ac396e4b6e96ccead9603b0a7e/FLAG2751d7c9d [2020-12-01 18:02:44,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6921bc96-2093-48e1-98e9-15affe8dae0c/bin/ukojak/data/7967b8b8c/781494ac396e4b6e96ccead9603b0a7e [2020-12-01 18:02:44,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:02:44,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:02:44,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:44,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:02:44,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:02:44,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5122a7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:44, skipping insertion in model container [2020-12-01 18:02:44,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:02:44" (1/1) ... [2020-12-01 18:02:44,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:02:44,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:02:46,578 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-12-01 18:02:46,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@297a1036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:02:46, skipping insertion in model container [2020-12-01 18:02:46,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:02:46,580 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-01 18:02:46,583 INFO L168 Benchmark]: Toolchain (without parser) took 1878.72 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 43.7 MB in the beginning and 39.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,585 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 58.2 MB in the beginning and 58.1 MB in the end (delta: 55.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:02:46,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1876.53 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 43.3 MB in the beginning and 39.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:02:46,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 75.5 MB. Free memory was 58.2 MB in the beginning and 58.1 MB in the end (delta: 55.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1876.53 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 43.3 MB in the beginning and 39.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 31.3 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...