./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.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_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/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 f6d30df66b2fe2218df31f96349e1c7548e8362b ............................................................................................................................... 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_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/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 f6d30df66b2fe2218df31f96349e1c7548e8362b ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:46,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:46,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:46,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:46,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:46,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:46,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:46,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:46,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:46,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:46,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:46,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:46,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:46,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:46,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:46,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:46,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:46,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:46,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:46,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:46,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:46,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:46,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:46,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:46,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:46,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:46,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:46,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:46,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:46,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:46,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:46,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:46,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:46,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:46,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:46,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:46,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:46,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:46,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:46,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:46,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:46,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-11-28 04:42:46,530 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:46,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:46,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:46,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:46,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:46,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:46,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:46,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:46,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:46,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:46,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:46,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:46,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:46,538 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:46,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:46,539 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:46,539 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:46,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:46,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:46,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:46,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:46,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:46,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:46,541 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:46,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:46,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:46,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:42:46,543 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_94573301-5880-43cb-aabe-f494d86967a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-28 04:42:46,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:46,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:46,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:46,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:46,967 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:46,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 04:42:47,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/94cd746bc/5909e1285a5640ea84d263647cae6681/FLAGf4acfe1a5 [2020-11-28 04:42:48,123 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:48,124 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 04:42:48,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/94cd746bc/5909e1285a5640ea84d263647cae6681/FLAGf4acfe1a5 [2020-11-28 04:42:48,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/94cd746bc/5909e1285a5640ea84d263647cae6681 [2020-11-28 04:42:48,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:48,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:48,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:48,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:48,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:48,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2d6bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:48, skipping insertion in model container [2020-11-28 04:42:48,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:48" (1/1) ... [2020-11-28 04:42:48,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:48,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:49,500 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-28 04:42:50,767 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 04:42:50,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@101a0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:50, skipping insertion in model container [2020-11-28 04:42:50,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:50,770 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:42:50,773 INFO L168 Benchmark]: Toolchain (without parser) took 2281.66 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 40.7 MB in the beginning and 54.7 MB in the end (delta: -14.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,776 INFO L168 Benchmark]: CDTParser took 1.97 ms. Allocated memory is still 83.9 MB. Free memory was 41.9 MB in the beginning and 41.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:50,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2277.01 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 40.5 MB in the beginning and 55.2 MB in the end (delta: -14.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:50,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97 ms. Allocated memory is still 83.9 MB. Free memory was 41.9 MB in the beginning and 41.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2277.01 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 40.5 MB in the beginning and 55.2 MB in the end (delta: -14.7 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: 6450]: 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 [2020-11-28 04:42:53,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:53,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:53,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:53,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:53,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:53,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:53,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:53,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:53,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:53,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:53,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:53,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:53,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:53,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:53,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:53,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:53,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:53,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:53,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:53,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:53,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:53,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:53,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:53,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:53,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:53,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:53,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:53,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:53,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:53,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:53,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:53,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:53,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:53,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:53,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:53,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:53,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:53,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:53,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:53,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:53,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2020-11-28 04:42:53,754 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:53,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:53,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:53,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:53,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:53,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:53,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:53,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:53,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:53,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:53,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:53,757 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:42:53,757 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:42:53,758 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:42:53,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:53,758 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:53,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:53,759 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:53,759 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:53,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:53,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:53,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:53,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:53,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:53,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:53,760 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:42:53,760 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:42:53,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:53,760 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:42:53,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:42:53,760 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-28 04:42:53,761 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_94573301-5880-43cb-aabe-f494d86967a8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6d30df66b2fe2218df31f96349e1c7548e8362b [2020-11-28 04:42:54,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:54,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:54,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:54,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:54,348 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:54,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 04:42:54,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/e86de2f58/20c4a83656224b3a912a1760313c97bb/FLAG530596805 [2020-11-28 04:42:55,756 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:55,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--stkwebcam--stkwebcam.ko-entry_point.cil.out.i [2020-11-28 04:42:55,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/e86de2f58/20c4a83656224b3a912a1760313c97bb/FLAG530596805 [2020-11-28 04:42:55,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_94573301-5880-43cb-aabe-f494d86967a8/bin/ukojak/data/e86de2f58/20c4a83656224b3a912a1760313c97bb [2020-11-28 04:42:55,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:55,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:55,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:55,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:56,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:56,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:55" (1/1) ... [2020-11-28 04:42:56,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f74c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:56, skipping insertion in model container [2020-11-28 04:42:56,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:55" (1/1) ... [2020-11-28 04:42:56,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:56,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:56,823 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name match at C: (*match)(struct device * , struct v4l2_async_subdev * ) [4416] [2020-11-28 04:42:58,332 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2020-11-28 04:42:58,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d5080fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58, skipping insertion in model container [2020-11-28 04:42:58,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:58,335 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:42:58,339 INFO L168 Benchmark]: Toolchain (without parser) took 2340.60 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 32.0 MB in the beginning and 50.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:58,341 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:58,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2338.01 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.7 MB in the beginning and 50.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:58,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory was 36.2 MB in the beginning and 36.2 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2338.01 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 31.7 MB in the beginning and 50.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6450]: 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...